diff mbox series

drm/i915/guc: Fix UB due to signed int overflow

Message ID 20240413031747.2416581-1-dmitrii.bundin.a@gmail.com (mailing list archive)
State New, archived
Headers show
Series drm/i915/guc: Fix UB due to signed int overflow | expand

Commit Message

Dmitrii Bundin April 13, 2024, 3:17 a.m. UTC
Fix compile errors of the form "FIELD_PREP: mask is not constant" caused
by signed integer constant overflow. Files affected:

drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c

Reproducible with gcc 7.5

Signed-off-by: Dmitrii Bundin <dmitrii.bundin.a@gmail.com>
---
 drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h
index 58012edd4eb0..8814d4cd371c 100644
--- a/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h
+++ b/drivers/gpu/drm/i915/gt/uc/abi/guc_klvs_abi.h
@@ -29,7 +29,7 @@ 
  */
 
 #define GUC_KLV_LEN_MIN				1u
-#define GUC_KLV_0_KEY				(0xffff << 16)
+#define GUC_KLV_0_KEY				(0xffffU << 16)
 #define GUC_KLV_0_LEN				(0xffff << 0)
 #define GUC_KLV_n_VALUE				(0xffffffff << 0)