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1404acbb7f
Release dma coherent memory before rvdev is free in
rproc_rvdev_release().
Below is the kmemleak report:
unreferenced object 0xffffff8051c1a980 (size 128):
comm "sh", pid 4895, jiffies 4295026604 (age 15481.896s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000003a0f3ec0>] dma_declare_coherent_memory+0x44/0x11c
[<00000000ad243164>] rproc_add_virtio_dev+0xb8/0x20c
[<00000000d219c8e9>] rproc_vdev_do_start+0x18/0x24
[<00000000e694b468>] rproc_start+0x22c/0x3e0
[<000000000b938941>] rproc_boot+0x4a4/0x860
[<000000003c4dc532>] state_store.52856+0x10c/0x1b8
[<00000000df2297ac>] dev_attr_store+0x34/0x84
[<0000000083a53bdb>] sysfs_kf_write+0x60/0xbc
[<000000008ed830df>] kernfs_fop_write+0x198/0x458
[<0000000072b9ad06>] __vfs_write+0x50/0x210
[<00000000377d7469>] vfs_write+0xe4/0x1a8
[<00000000c3fc594e>] ksys_write+0x78/0x144
[<000000009aef6f4b>] __arm64_sys_write+0x1c/0x28
[<0000000003496a98>] el0_svc_common+0xc8/0x22c
[<00000000ea3fe7a3>] el0_svc_compat_handler+0x1c/0x28
[<00000000d1a85a4e>] el0_svc_compat+0x8/0x24
Signed-off-by: Mark-PK Tsai <mark-pk.tsai@mediatek.com>
Acked-by: Christoph Hellwig <hch@lst.de>
Link: https://lore.kernel.org/r/20220422062436.14384-3-mark-pk.tsai@mediatek.com
Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
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Linux kernel
============
There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.
In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``. The formatted documentation can also be read online at:
https://www.kernel.org/doc/html/latest/
There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.