The problem is that "channel" is an unsigned int, when it's less 5 the
value of "channel - 5" is not a negative number as one would expect but
is very high positive value instead.
This means that "start" becomes a very high positive value. The result
of that is that we never enter the "for (i = start; i <= end; i++) {"
loop. Instead of storing the result from b43legacy_radio_aci_detect()
it just uses zero.
Fixes: 75388acd0c ("[B43LEGACY]: add mac80211-based driver for legacy BCM43xx devices")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michael Büsch <m@bues.ch>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Link: https://lore.kernel.org/r/20211006073542.GD8404@kili
Tested on SD5200T TB3 dock which has Fresco Logic FL1100 USB 3.0 Host
Controller.
Before this patch streaming video from USB cam made mouse and keyboard
connected to the same USB bus unusable. Also video was jerky.
With this patch streaming video doesn't have any effect on other
periferals and video is smooth.
Cc: stable@vger.kernel.org
Signed-off-by: Nikolay Martynov <mar.kolya@gmail.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-6-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The command ring pointer is located at [6:63] bits of the command
ring control register (CRCR). All the control bits like command stop,
abort are located at [0:3] bits. While aborting a command, we read the
CRCR and set the abort bit and write to the CRCR. The read will always
give command ring pointer as all zeros. So we essentially write only
the control bits. Since we split the 64 bit write into two 32 bit writes,
there is a possibility of xHC command ring stopped before the upper
dword (all zeros) is written. If that happens, xHC updates the upper
dword of its internal command ring pointer with all zeros. Next time,
when the command ring is restarted, we see xHC memory access failures.
Fix this issue by only writing to the lower dword of CRCR where all
control bits are located.
Cc: stable@vger.kernel.org
Signed-off-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-5-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Make sure to allocate resources before registering the tty device to
avoid having a racing open() and write() fail to enable rx or
dereference a NULL pointer when accessing the uninitialised fifo.
Fixes: dfba2174dc ("usb: xhci: Add DbC support in xHCI driver")
Cc: stable@vger.kernel.org # 4.16
Cc: Lu Baolu <baolu.lu@linux.intel.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-4-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Seen on a VLI VL805 PCIe to USB controller. For non-stream endpoints
at least, if the xHC halts on a particular TRB due to an error then
the DCS field in the Out Endpoint Context maintained by the hardware
is not updated with the current cycle state.
Using the quirk XHCI_EP_CTX_BROKEN_DCS and instead fetch the DCS bit
from the TRB that the xHC stopped on.
[ bjorn: rebased to v5.14-rc2 ]
Link: https://github.com/raspberrypi/linux/issues/3060
Cc: stable@vger.kernel.org
Signed-off-by: Jonathan Bell <jonathan@raspberrypi.org>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20211008092547.3996295-3-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
UAPI Changes:
- Allow empty drm leases for creating separate GEM namespaces.
Cross-subsystem Changes:
- Slightly rework dma_buf_poll.
- Add dma_resv_for_each_fence_unlocked to iterate, and use it inside
the lockless dma-resv functions.
Core Changes:
- Allow devm_drm_of_get_bridge to build without CONFIG_OF for compile testing.
- Add more DP2 headers.
- fix CONFIG_FB dependency in fb_helper.
- Add DRM_FORMAT_R8 to drm_format_info, and helpers for RGB332 and RGB888.
- Fix crash on a 0 or invalid EDID.
Driver Changes:
- Apply and revert DRM_MODESET_LOCK_ALL_BEGIN.
- Add mode_valid to ti-sn65dsi86 bridge.
- Support multiple syncobjs in v3d.
- Add R8, RGB332 and RGB888 pixel formats to GUD.
- Use devm_add_action_or_reset in dw-hdmi-cec.
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Merge tag 'drm-misc-next-2021-10-06' of git://anongit.freedesktop.org/drm/drm-misc into drm-next
drm-misc-next for v5.16:
UAPI Changes:
- Allow empty drm leases for creating separate GEM namespaces.
Cross-subsystem Changes:
- Slightly rework dma_buf_poll.
- Add dma_resv_for_each_fence_unlocked to iterate, and use it inside
the lockless dma-resv functions.
Core Changes:
- Allow devm_drm_of_get_bridge to build without CONFIG_OF for compile testing.
- Add more DP2 headers.
- fix CONFIG_FB dependency in fb_helper.
- Add DRM_FORMAT_R8 to drm_format_info, and helpers for RGB332 and RGB888.
- Fix crash on a 0 or invalid EDID.
Driver Changes:
- Apply and revert DRM_MODESET_LOCK_ALL_BEGIN.
- Add mode_valid to ti-sn65dsi86 bridge.
- Support multiple syncobjs in v3d.
- Add R8, RGB332 and RGB888 pixel formats to GUD.
- Use devm_add_action_or_reset in dw-hdmi-cec.
Signed-off-by: Dave Airlie <airlied@redhat.com>
# gpg: Signature made Wed 06 Oct 2021 20:48:12 AEST
# gpg: using RSA key B97BD6A80CAC4981091AE547FE558C72A67013C3
# gpg: Good signature from "Maarten Lankhorst <maarten.lankhorst@linux.intel.com>" [expired]
# gpg: aka "Maarten Lankhorst <maarten@debian.org>" [expired]
# gpg: aka "Maarten Lankhorst <maarten.lankhorst@canonical.com>" [expired]
# gpg: Note: This key has expired!
# Primary key fingerprint: B97B D6A8 0CAC 4981 091A E547 FE55 8C72 A670 13C3
From: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/2602f4e9-a8ac-83f8-6c2a-39fd9ca2e1ba@linux.intel.com
Free unused memblock in a error case to fix memblock leak
in xbc_make_cmdline().
Link: https://lkml.kernel.org/r/163177339181.682366.8713781325929549256.stgit@devnote2
Fixes: 51887d03ac ("bootconfig: init: Allow admin to use bootconfig for kernel command line")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Cleanup dummy headers in tools/bootconfig/include except
for tools/bootconfig/include/linux/bootconfig.h.
For this change, I use __KERNEL__ macro to split kernel
header #include and introduce xbc_alloc_mem() and
xbc_free_mem().
Link: https://lkml.kernel.org/r/163187299574.2366983.18371329724128746091.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Add extra space to the first column of ioctl values table, and also realign
the text in the second column, to fix a documentation build warning
introduced by: commit 67f1e027c2 ("drivers/cdrom: improved ioctl for
media change detection")
Suggested-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: 67f1e027c2 ("drivers/cdrom: improved ioctl for media change detection")
Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Link: https://lore.kernel.org/r/20211007231720.31997-1-phil@philpotter.co.uk
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Add xbc_get_info() API which allows user to get the
number of used xbc_nodes and the size of bootconfig
data. This is also useful for checking the bootconfig
is initialized or not.
Link: https://lkml.kernel.org/r/163177340877.682366.4360676589783197627.stgit@devnote2
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Allocate 'xbc_data' in the xbc_init() so that it does
not need to care about the ownership of the copied
data.
Link: https://lkml.kernel.org/r/163177339986.682366.898762699429769117.stgit@devnote2
Suggested-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
The kernel already has support for very similar Pioneer djm products
and this work is based on that.
Added device to quirks-table.h and added control info to
mixer_quirks.c.
Tested on my hardware and all working.
Signed-off-by: William Overton <willovertonuk@gmail.com>
Link: https://lore.kernel.org/r/20211010145841.11907-1-willovertonuk@gmail.com
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Add driver to support Sharp LS06T1SX01 FullHD panel. The panel uses
nt35695 driver IC. For example this LCD module can be found in the
kwaek.ca Dragonboard Display Adapter Bundle.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211009203806.56821-3-dmitry.baryshkov@linaro.org
Add devicetree bindings for the Sharp LS060T1SX01 6.0" FullHD panel
using NT35695 driver. This panel can be found i.e. in the Dragonboard
Display Adapter bundle.
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211009203806.56821-2-dmitry.baryshkov@linaro.org
Fix a regression hit by the IPR SCSI driver, introduced by the recent addition of MSI
domains on pseries.
A big series including 8 BPF fixes, some with potential security impact and the rest
various code generation issues.
Fix our program check assembler entry path, which was accidentally jumping into a gas
macro and generating strange stack frames, which could confuse find_bug().
A couple of fixes, and related changes, to fix corner cases in our machine check handling.
Fix our DMA IOMMU ops, which were not always returning the optimal DMA mask, leading to
at least one device falling back to 32-bit DMA when it shouldn't.
A fix for KUAP handling on 32-bit Book3S.
Fix crashes seen when kdumping on some pseries systems.
Thanks to: Naveen N. Rao, Nicholas Piggin, Alexey Kardashevskiy, Cédric Le Goater,
Christophe Leroy, Mahesh Salgaonkar, Abdul Haleem, Christoph Hellwig, Johan Almbladh, Stan
Johnson.
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Merge tag 'powerpc-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux
Pull powerpc fixes from Michael Ellerman:
"A bit of a big batch, partly because I didn't send any last week, and
also just because the BPF fixes happened to land this week.
Summary:
- Fix a regression hit by the IPR SCSI driver, introduced by the
recent addition of MSI domains on pseries.
- A big series including 8 BPF fixes, some with potential security
impact and the rest various code generation issues.
- Fix our program check assembler entry path, which was accidentally
jumping into a gas macro and generating strange stack frames, which
could confuse find_bug().
- A couple of fixes, and related changes, to fix corner cases in our
machine check handling.
- Fix our DMA IOMMU ops, which were not always returning the optimal
DMA mask, leading to at least one device falling back to 32-bit DMA
when it shouldn't.
- A fix for KUAP handling on 32-bit Book3S.
- Fix crashes seen when kdumping on some pseries systems.
Thanks to Naveen N. Rao, Nicholas Piggin, Alexey Kardashevskiy, Cédric
Le Goater, Christophe Leroy, Mahesh Salgaonkar, Abdul Haleem,
Christoph Hellwig, Johan Almbladh, Stan Johnson"
* tag 'powerpc-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux:
pseries/eeh: Fix the kdump kernel crash during eeh_pseries_init
powerpc/32s: Fix kuap_kernel_restore()
powerpc/pseries/msi: Add an empty irq_write_msi_msg() handler
powerpc/64s: Fix unrecoverable MCE calling async handler from NMI
powerpc/64/interrupt: Reconcile soft-mask state in NMI and fix false BUG
powerpc/64: warn if local irqs are enabled in NMI or hardirq context
powerpc/traps: do not enable irqs in _exception
powerpc/64s: fix program check interrupt emergency stack path
powerpc/bpf ppc32: Fix BPF_SUB when imm == 0x80000000
powerpc/bpf ppc32: Do not emit zero extend instruction for 64-bit BPF_END
powerpc/bpf ppc32: Fix JMP32_JSET_K
powerpc/bpf ppc32: Fix ALU32 BPF_ARSH operation
powerpc/bpf: Emit stf barrier instruction sequences for BPF_NOSPEC
powerpc/security: Add a helper to query stf_barrier type
powerpc/bpf: Fix BPF_SUB when imm == 0x80000000
powerpc/bpf: Fix BPF_MOD when imm == 1
powerpc/bpf: Validate branch ranges
powerpc/lib: Add helper to check if offset is within conditional branch range
powerpc/iommu: Report the correct most efficient DMA mask for PCI devices
Decoder input LVDS format is a property of the decoder chip or even
its strapping. Handle data-mapping the same way lvds-panel does. In
case data-mapping is not present, do nothing, since there are still
legacy bindings which do not specify this property.
Signed-off-by: Marek Vasut <marex@denx.de>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Sam Ravnborg <sam@ravnborg.org>
To: dri-devel@lists.freedesktop.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211010144919.38392-2-marex@denx.de
Decoder input LVDS format is a property of the decoder chip or even
its strapping. Add DT property data-mapping the same way lvds-panel
does, to define the LVDS data mapping.
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: devicetree@vger.kernel.org
To: dri-devel@lists.freedesktop.org
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20211010144919.38392-1-marex@denx.de
- Align .altinstructions section creation with the kernel's by creating
them with entry size of 0
- Fix objtool to convert a reloc symbol to a section offset and not to
not warn about not knowing how
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Merge tag 'objtool_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull objtool fixes from Borislav Petkov:
- Remove an extra section.len member in favour of section.sh_size
- Align .altinstructions section creation with the kernel's by creating
them with entry size of 0
- Fix objtool to convert a reloc symbol to a section offset and not to
not warn about not knowing how
* tag 'objtool_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
objtool: Remove redundant 'len' field from struct section
objtool: Make .altinstructions section entry size consistent
objtool: Remove reloc symbol type checks in get_alt_entry()
out due to histerical reasons and 64-bit kernels reject them
- A fix to clear X86_FEATURE_SMAP when support for is not config-enabled
- Three fixes correcting misspelled Kconfig symbols used in code
- Two resctrl object cleanup fixes
- Yet another attempt at fixing the neverending saga of botched x86
timers, this time because some incredibly smart hardware decides to turn
off the HPET timer in a low power state - who cares if the OS is relying
on it...
- Check the full return value range of an SEV VMGEXIT call to determine
whether it returned an error
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Merge tag 'x86_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- A FPU fix to properly handle invalid MXCSR values: 32-bit masks them
out due to historical reasons and 64-bit kernels reject them
- A fix to clear X86_FEATURE_SMAP when support for is not
config-enabled
- Three fixes correcting misspelled Kconfig symbols used in code
- Two resctrl object cleanup fixes
- Yet another attempt at fixing the neverending saga of botched x86
timers, this time because some incredibly smart hardware decides to
turn off the HPET timer in a low power state - who cares if the OS is
relying on it...
- Check the full return value range of an SEV VMGEXIT call to determine
whether it returned an error
* tag 'x86_urgent_for_v5.15_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/fpu: Restore the masking out of reserved MXCSR bits
x86/Kconfig: Correct reference to MWINCHIP3D
x86/platform/olpc: Correct ifdef symbol to intended CONFIG_OLPC_XO15_SCI
x86/entry: Clear X86_FEATURE_SMAP when CONFIG_X86_SMAP=n
x86/entry: Correct reference to intended CONFIG_64_BIT
x86/resctrl: Fix kfree() of the wrong type in domain_add_cpu()
x86/resctrl: Free the ctrlval arrays when domain_setup_mon_state() fails
x86/hpet: Use another crystalball to evaluate HPET usability
x86/sev: Return an error on a returned non-zero SW_EXITINFO1[31:0]
Add a call to the custom ->set_termios() which has implementation about
changing the state of RTS and CTS.
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Aman Kumar <aman.kumar@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005133026.21488-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Some of the code currently used in dw8250_set_termios(), byt_set_termios()
may be reused by other methods in the future. Extract it to a common helper
function.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005133026.21488-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
In couple of places we may re-use temporary variable instead of
dereferencing it. No functional changes intended.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005134529.23256-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
ACPI_PTR() is more harmful than helpful. For example, in this case
if CONFIG_ACPI=n, the ID table left unused which is not what we want.
Instead of adding ifdeffery here and there, drop ACPI_PTR().
Fixes: 6a7320c466 ("serial: 8250_dw: Add ACPI 5.0 support")
Reported-by: Daniel Palmer <daniel@0x0f.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20211005134516.23218-1-andriy.shevchenko@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Having "_USI" suffix in EXYNOS_COMMON_SERIAL_DRV_DATA_USI() macro is
confusing. Rename it to just EXYNOS_COMMON_SERIAL_DRV_DATA() and provide
USI registers availability for all Exynos variants instead. While at it,
also convert .has_usi field type to bool, so its usage is more obvious.
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Sam Protsenko <semen.protsenko@linaro.org>
Link: https://lore.kernel.org/r/20211005095800.2165-1-semen.protsenko@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
additionalProperties: false
ignores the pattern matching for serdev objects in serial.yaml, causing
error messages when serdev subnodes like bluetooth or gnss devices are
defined. Using unevaluatedProperties instead is the correct way
if arbitrary children nodes can appear.
Acked-by: Rob Herring <robh@kernel.org>
Signed-off-by: Andreas Kemnade <andreas@kemnade.info>
Link: https://lore.kernel.org/r/20211001211731.2923066-1-andreas@kemnade.info
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The 'drd_wq' workqueue_struct has never been used.
It is only destroyed, but never created.
It was introduced in commit 1b9f35adb0 ("usb: gadget: udc: Add Synopsys
UDC Platform driver")
Remove the corresponding dead code and save some space from the 'udc'
structure.
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Link: https://lore.kernel.org/r/9a85b2353843b95e2d86acb3103967fd405a8536.1633865503.git.christophe.jaillet@wanadoo.fr
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This adds support for READ_CAPACITY(16), READ(16) and WRITE(16)
commands, and fixes READ_CAPACITY command to return 0xffffffff if
media size does not fit in 32 bits.
This makes f_mass_storage to export a 16T disk array correctly.
Signed-off-by: Nikita Yushchenko <nikita.yoush@cogentembedded.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Link: https://lore.kernel.org/r/20210921145901.11952-1-nikita.yoush@cogentembedded.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Root-cause:
There is an issue like endpoint is not recognized as primed, when bus
have more pressure and the add dTD tripwire semaphore (ATDTW bit in
USBCMD register) that can cause the controller to ignore a dTD that is
added to a primed endpoint.
This issue observed with the Windows10 host machine.
Workaround:
The software must implement a periodic cycle, and check for each dTD,
if the endpoint is primed. It can do this by reading the corresponding
bits in the ENDPTPRIME and ENDPTSTAT registers. If these bits are read
at 0, the software needs to re-prime the endpoint by writing 1 to the
corresponding bit in the ENDPTPRIME register.
Added conditional revision check of 2.20[CI_REVISION_22].
Link: https://lore.kernel.org/linux-usb/SJ0PR02MB8644CBBA848A0F68323F1AA5D4D99@SJ0PR02MB8644.namprd02.prod.outlook.com/
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Piyush Mehta <piyush.mehta@xilinx.com>
Link: https://lore.kernel.org/r/20210913140005.955699-1-piyush.mehta@xilinx.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Remove 'bPerformance' from if condition check. As on previous
if condition it is already check for same variable.
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Saurav Girepunje <saurav.girepunje@gmail.com>
Link: https://lore.kernel.org/r/YWKRfYpTioAmTWa0@user
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
