diff options
| author | Harshit Mogalapalli | 2023-10-27 10:28:22 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman | 2023-11-28 17:07:07 +0000 |
| commit | 55db76caa782baa4a1bf02296e2773c38a524a3e (patch) | |
| tree | e3cda85c0d6ed3c8a0c03a82bd96ff0595eb0709 /drivers/media | |
| parent | d1a04a5219e86dc1e70fa8d13b971fcdba322328 (diff) | |
i915/perf: Fix NULL deref bugs with drm_dbg() calls
commit 471aa951bf1206d3c10d0daa67005b8e4db4ff83 upstream.
When i915 perf interface is not available dereferencing it will lead to
NULL dereferences.
As returning -ENOTSUPP is pretty clear return when perf interface is not
available.
Fixes: 2fec539112e8 ("i915/perf: Replace DRM_DEBUG with driver specific drm_dbg call")
Suggested-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com>
Reviewed-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Cc: <stable@vger.kernel.org> # v6.0+
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20231027172822.2753059-1-harshit.m.mogalapalli@oracle.com
[tursulin: added stable tag]
(cherry picked from commit 36f27350ff745bd228ab04d7845dfbffc177a889)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/media')
0 files changed, 0 insertions, 0 deletions