diff options
| author | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2024-02-19 13:14:23 +0000 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-02-22 18:50:06 +0100 |
| commit | 32ca5ebfde9a0deb50cedfa37646f86bb319542b (patch) | |
| tree | ab87741cbb1f93dfd0b1f7dc0d77b8496d776316 /drivers/gpu/drm/i915/gt | |
| parent | a3baaca4a8766e9386e472d97315e5c131beb87d (diff) | |
drm/i915: Fix possible null pointer dereference after drm_dbg_printer conversion
Request can be NULL if no guilty request was identified so simply use
engine->i915 instead.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Fixes: d50892a9554c ("drm/i915: switch from drm_debug_printer() to device specific drm_dbg_printer()")
Reported-by: Dan Carpenter <dan.carpenter@linaro.org>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Luca Coelho <luciano.coelho@intel.com>
Cc: Maxime Ripard <mripard@kernel.org>
Cc: Jani Nikula <jani.nikula@linux.intel.com>
Acked-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Reviewed-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://lore.kernel.org/r/20240219131423.1854991-1-tvrtko.ursulin@linux.intel.com
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/i915/gt')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c index 0f6406f0cca0..1247cc418a1c 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_heartbeat.c @@ -96,8 +96,8 @@ static void heartbeat_commit(struct i915_request *rq, static void show_heartbeat(const struct i915_request *rq, struct intel_engine_cs *engine) { - struct drm_printer p = drm_dbg_printer(&rq->i915->drm, DRM_UT_DRIVER, - "heartbeat"); + struct drm_printer p = + drm_dbg_printer(&engine->i915->drm, DRM_UT_DRIVER, "heartbeat"); if (!rq) { intel_engine_dump(engine, &p, |