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authorAlexander Stein <[email protected]>2024-03-07 15:24:51 +0100
committerHans Verkuil <[email protected]>2024-04-10 15:15:30 +0200
commit6d8acd02c4c6a8f917eefac1de2e035521ca119d (patch)
tree9611af6d4ceb6b9bfe4dd68403b1dac5891aa5b6 /tools/perf/scripts/python/stackcollapse.py
parent7cb8a625355d22c8e50726fc2ca663544eb8631f (diff)
media: v4l: async: Fix notifier list entry init
struct v4l2_async_notifier has several list_head members, but only waiting_list and done_list are initialized. notifier_entry was kept 'zeroed' leading to an uninitialized list_head. This results in a NULL-pointer dereference if csi2_async_register() fails, e.g. node for remote endpoint is disabled, and returns -ENOTCONN. The following calls to v4l2_async_nf_unregister() results in a NULL pointer dereference. Add the missing list head initializer. Fixes: b8ec754ae4c5 ("media: v4l: async: Set v4l2_device and subdev in async notifier init") Cc: <[email protected]> # for 6.6 and later Signed-off-by: Alexander Stein <[email protected]> Signed-off-by: Sakari Ailus <[email protected]> Signed-off-by: Hans Verkuil <[email protected]>
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