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linux/drivers/dma
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Andy Shevchenko ede4f54078 dmaengine: dmatest: Abort test in case of mapping error 
commit 6454368a80 upstream.

In case of mapping error the DMA addresses are invalid and continuing
will screw system memory or potentially something else.

[  222.480310] dmatest: dma0chan7-copy0: summary 1 tests, 3 failures 6 iops 349 KB/s (0)
...
[  240.912725] check: Corrupted low memory at 00000000c7c75ac9 (2940 phys) = 5656000000000000
[  240.921998] check: Corrupted low memory at 000000005715a1cd (2948 phys) = 279f2aca5595ab2b
[  240.931280] check: Corrupted low memory at 000000002f4024c0 (2950 phys) = 5e5624f349e793cf
...

Abort any test if mapping failed.

Fixes: 4076e755db ("dmatest: convert to dmaengine_unmap_data")
Cc: Dan Williams <dan.j.williams@intel.com>
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
History 2019-05-02 21:41:37 +01:00
..
bestcomm drivers: clean-up prom.h implicit includes 2013-10-09 20:04:04 -05:00
dw dmaengine: dw: disable BLOCK IRQs for non-cyclic xfer 2016-03-04 10:26:40 +00:00
ioat ioat: fix tasklet tear down 2014-02-25 09:44:20 -08:00
ipu dmaengine: ipu: fix warnings from 64-bit dma_addr_t printouts 2013-11-13 14:10:48 +05:30
ppc4xx Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-01-29 20:27:23 -08:00
sh dmaengine: sh: don't use dynamic static allocation 2014-06-03 11:35:33 +05:30
xilinx dma: Add Xilinx AXI Video Direct Memory Access Engine driver support 2014-04-30 10:44:13 +05:30
acpi-dma.c acpi-dma: convert to return error code when asked for channel 2014-02-11 23:30:50 +05:30
amba-pl08x.c dma: pl08x: Use correct specifier for size_t values 2017-11-11 13:33:45 +00:00
at_hdmac.c dmaengine: at_hdmac: fix module unloading 2019-02-11 17:54:16 +00:00
at_hdmac_regs.h dmaengine: at_hdmac: remove unused function 2013-12-12 22:43:41 -08:00
bcm2835-dma.c dmaengine: bcm2835: Fix abort of transactions 2019-05-02 21:41:35 +01:00
coh901318.c dmaengine: coh901318: use DMA_COMPLETE for dma completion status 2013-10-25 11:15:56 +05:30
coh901318.h dma: coh901318: merge header files 2013-01-07 17:36:37 +01:00
coh901318_lli.c Merge branch 'next' of git://git.infradead.org/users/vkoul/slave-dma 2013-02-26 09:24:48 -08:00
cppi41.c dma: cppi41: handle 0-length packets 2014-07-01 12:15:48 +05:30
dma-jz4740.c dmaengine: jz4740: disable/unprepare clk if probe fails 2018-03-03 15:51:51 +00:00
dmaengine.c dmaengine: fix dmaengine_unmap failure 2014-05-21 14:02:37 -07:00
dmaengine.h dmaengine: consolidate initialization of cookies 2012-03-13 11:37:22 +05:30
dmatest.c dmaengine: dmatest: Abort test in case of mapping error 2019-05-02 21:41:37 +01:00
edma.c dmaengine: edma: fix memory leak when terminating running transfers 2015-04-13 16:48:58 +01:00
ep93xx_dma.c dmaengine: ep93xx: Always start from BASE0 2017-09-15 18:29:50 +01:00
fsl-edma.c dma: fix eDMA driver as a subsys_initcall 2014-04-16 12:03:47 +05:30
fsldma.c DMA: Freescale: move functions to avoid forward declarations 2014-05-02 22:17:43 +05:30
fsldma.h DMA: Freescale: change BWC from 256 bytes to 1024 bytes 2014-01-20 13:13:22 +05:30
imx-dma.c dmaengine: imx-dma: fix wrong callback invoke 2019-05-02 21:41:35 +01:00
imx-sdma.c Update imx-sdma cyclic handling to report residue 2014-07-01 12:23:42 +05:30
intel_mid_dma.c dmaengine: intel_mid_dma: use DMA_COMPLETE for dma completion status 2013-10-25 11:16:04 +05:30
intel_mid_dma_regs.h dma: fix comments 2012-09-01 08:57:12 -07:00
iop-adma.c Merge commit 'dmaengine-3.13-v2' of git://git.kernel.org/pub/scm/linux/kernel/git/djbw/dmaengine 2013-11-16 12:02:36 +05:30
iovlock.c include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h 2010-03-30 22:02:32 +09:00
k3dma.c dmaengine: k3dma: Off by one in k3_of_dma_simple_xlate() 2018-11-20 18:05:30 +00:00
Kconfig Merge branch 'topic/xilinx' into for-linus 2014-06-09 21:56:29 +05:30
Makefile dma: Add Xilinx AXI Video Direct Memory Access Engine driver support 2014-04-30 10:44:13 +05:30
mmp_pdma.c dma: mmp_pdma: add support for residue reporting 2014-05-07 12:33:40 +05:30
mmp_tdma.c dma: mmp_tdma: move to generic device tree binding 2014-03-06 14:49:54 +05:30
moxart-dma.c dmaengine: Add MOXA ART DMA engine driver 2014-01-20 12:32:46 +05:30
mpc512x_dma.c dmaengine: mpc512x: add support for peripheral transfers 2014-05-22 10:37:01 +05:30
mv_xor.c dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup 2015-07-15 10:00:31 +01:00
mv_xor.h dmaengine: mv_xor: bug fix for racing condition in descriptors cleanup 2015-07-15 10:00:31 +01:00
mxs-dma.c dma: mxs-dma: Use semaphores for cyclic DMA 2013-11-13 15:38:31 +05:30
of-dma.c dma: add channel request API that supports deferred probe 2013-12-10 17:46:48 +05:30
omap-dma.c dmaengine: omap-dma: Fix memory leak when terminating running transfer 2015-04-13 16:48:59 +01:00
pch_dma.c dmaengine: pch: fix compilation for alpha target 2014-05-22 18:50:49 +05:30
pl330.c Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-01-29 20:27:23 -08:00
qcom_bam_dma.c dmaengine: add Qualcomm BAM dma driver 2014-04-05 20:44:26 +05:30
s3c24xx-dma.c dmaengine: s3c24xx-dma: Add cyclic transfer support 2014-06-01 22:22:51 +05:30
sa11x0-dma.c dmaengine: sa11x0: remove broken #ifdef 2014-05-21 11:40:49 +05:30
sirf-dma.c dmaengine: sirf: off by one in of_dma_sirfsoc_xlate() 2014-04-16 11:59:24 +05:30
ste_dma40.c dma: ste_dma40: Convert to the late system PM callbacks 2014-05-07 15:32:07 +05:30
ste_dma40_ll.c dmaengine: ste_dma40_ll: Replace meaningless register set with comment 2013-06-04 11:12:10 +02:00
ste_dma40_ll.h dmaengine: ste_dma40: Remove unnecessary call to d40_phy_cfg() 2013-05-23 21:13:19 +02:00
tegra20-apb-dma.c Merge branch 'for-linus' of git://git.infradead.org/users/vkoul/slave-dma 2014-01-29 20:27:23 -08:00
timb_dma.c dmaengine: remove DMA unmap from drivers 2013-11-14 11:04:38 -08:00
TODO dmaengine: dw: don't perform DMA when dmaengine_submit is called 2014-10-05 13:41:11 -07:00
txx9dmac.c dma: fix build warnings in txx9 2013-12-12 22:43:41 -08:00
txx9dmac.h dmaengine: move last completed cookie into generic dma_chan structure 2012-03-13 11:36:06 +05:30
virt-dma.c dmaengine: virt-dma: add support for cyclic DMA periodic callbacks 2012-07-01 14:15:23 +01:00
virt-dma.h dma: fix vchan_cookie_complete() debug print 2014-01-26 17:33:45 +05:30