When i915 perf interface is not available dereferencing it will lead to NULL dereferences. Fix this by using DRM_DEBUG() which the scenario before the commit in the Fixes tag. Fixes: 2fec539112e8 ("i915/perf: Replace DRM_DEBUG with driver specific drm_dbg call") Signed-off-by: Harshit Mogalapalli <harshit.m.mogalapalli@xxxxxxxxxx> --- This is found using smatch(static analysis tool), only compile tested. --- drivers/gpu/drm/i915/i915_perf.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/gpu/drm/i915/i915_perf.c b/drivers/gpu/drm/i915/i915_perf.c index 2f3ecd7d4804..bb48c96b7950 100644 --- a/drivers/gpu/drm/i915/i915_perf.c +++ b/drivers/gpu/drm/i915/i915_perf.c @@ -4228,8 +4228,7 @@ int i915_perf_open_ioctl(struct drm_device *dev, void *data, int ret; if (!perf->i915) { - drm_dbg(&perf->i915->drm, - "i915 perf interface not available for this system\n"); + DRM_DEBUG("i915 perf interface not available for this system\n"); return -ENOTSUPP; } @@ -4608,8 +4607,7 @@ int i915_perf_add_config_ioctl(struct drm_device *dev, void *data, int err, id; if (!perf->i915) { - drm_dbg(&perf->i915->drm, - "i915 perf interface not available for this system\n"); + DRM_DEBUG("i915 perf interface not available for this system\n"); return -ENOTSUPP; } @@ -4774,8 +4772,7 @@ int i915_perf_remove_config_ioctl(struct drm_device *dev, void *data, int ret; if (!perf->i915) { - drm_dbg(&perf->i915->drm, - "i915 perf interface not available for this system\n"); + DRM_DEBUG("i915 perf interface not available for this system\n"); return -ENOTSUPP; } -- 2.39.3