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| Filename | Latest commit message | Latest commit date |
|---|---|---|
ed99b3e511
[ Upstream commit e1c69c4eef61ffe295b747992c6fd849e6cd747d ] There are few list handling issues while adding and deleting node in the registered buf list in the driver. 1. list addition - buffer added into the list during buf_init while not deleted during cleanup. 2. list deletion - In capture streamoff, the list was reinitialized. As a result, if any node was present in the list, it would lead to issue while cleaning up that node during buf_cleanup. Corresponding call traces below: [ 165.751014] Call trace: [ 165.753541] __list_add_valid+0x58/0x88 [ 165.757532] venus_helper_vb2_buf_init+0x74/0xa8 [venus_core] [ 165.763450] vdec_buf_init+0x34/0xb4 [venus_dec] [ 165.768271] __buf_prepare+0x598/0x8a0 [videobuf2_common] [ 165.773820] vb2_core_qbuf+0xb4/0x334 [videobuf2_common] [ 165.779298] vb2_qbuf+0x78/0xb8 [videobuf2_v4l2] [ 165.784053] v4l2_m2m_qbuf+0x80/0xf8 [v4l2_mem2mem] [ 165.789067] v4l2_m2m_ioctl_qbuf+0x2c/0x38 [v4l2_mem2mem] [ 165.794624] v4l_qbuf+0x48/0x58 [ 1797.556001] Call trace: [ 1797.558516] __list_del_entry_valid+0x88/0x9c [ 1797.562989] vdec_buf_cleanup+0x54/0x228 [venus_dec] [ 1797.568088] __buf_prepare+0x270/0x8a0 [videobuf2_common] [ 1797.573625] vb2_core_qbuf+0xb4/0x338 [videobuf2_common] [ 1797.579082] vb2_qbuf+0x78/0xb8 [videobuf2_v4l2] [ 1797.583830] v4l2_m2m_qbuf+0x80/0xf8 [v4l2_mem2mem] [ 1797.588843] v4l2_m2m_ioctl_qbuf+0x2c/0x38 [v4l2_mem2mem] [ 1797.594389] v4l_qbuf+0x48/0x58 Signed-off-by: Vikash Garodia <vgarodia@codeaurora.org> Reviewed-by: Fritz Koenig <frkoenig@chromium.org> Signed-off-by: Stanimir Varbanov <stanimir.varbanov@linaro.org> Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.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.