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| author | Harshit Mogalapalli <harshit.m.mogalapalli@oracle.com> | 2023-10-27 10:28:22 -0700 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2023-10-30 11:00:03 +0000 |
| commit | 36f27350ff745bd228ab04d7845dfbffc177a889 (patch) | |
| tree | c6a48323164fbf14ff4b27c5349ec897c6e3fef4 /drivers/gpu/drm/i915/i915_pmu.c | |
| parent | 33f2af42a2019da4fecde30fe144a810b485762f (diff) | |
i915/perf: Fix NULL deref bugs with drm_dbg() calls
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]
Diffstat (limited to 'drivers/gpu/drm/i915/i915_pmu.c')
0 files changed, 0 insertions, 0 deletions