GCC forbids to jump to labels in loop conditions and a new clang
check stumbled over this.
So instead using a local label inside the loop condition use an
unique label outside of it.
Fixes: commit 09593216bff1 ("drm: execution context for GEM buffers v7")
Link: https://gcc.gnu.org/onlinedocs/gcc/Statement-Exprs.html
Link: https://github.com/ClangBuiltLinux/linux/issues/1890
Link: https://github.com/llvm/llvm-project/commit/20219106060208f0c2f5d096eb3aed7b712f5067
Reported-by: Nathan Chancellor <nathan@xxxxxxxxxx>
Reported-by: Naresh Kamboju <naresh.kamboju@xxxxxxxxxx>
CC: Boris Brezillon <boris.brezillon@xxxxxxxxxxxxx>
Signed-off-by: Christian König <christian.koenig@xxxxxxx>
---
include/drm/drm_exec.h | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/include/drm/drm_exec.h b/include/drm/drm_exec.h
index 73205afec162..e0462361adf9 100644
--- a/include/drm/drm_exec.h
+++ b/include/drm/drm_exec.h
@@ -3,6 +3,7 @@
#ifndef __DRM_EXEC_H__
#define __DRM_EXEC_H__
+#include <linux/compiler.h>
#include <linux/ww_mutex.h>
#define DRM_EXEC_INTERRUPTIBLE_WAIT BIT(0)
@@ -74,13 +75,12 @@ struct drm_exec {
* Since labels can't be defined local to the loops body we use a jump pointer
* to make sure that the retry is only used from within the loops body.
*/
-#define drm_exec_until_all_locked(exec) \
- for (void *__drm_exec_retry_ptr; ({ \
- __label__ __drm_exec_retry; \
-__drm_exec_retry: \
- __drm_exec_retry_ptr = &&__drm_exec_retry; \
- (void)__drm_exec_retry_ptr; \
- drm_exec_cleanup(exec); \
+#define drm_exec_until_all_locked(exec) \
+__PASTE(__drm_exec_, __LINE__): \
+ for (void *__drm_exec_retry_ptr; ({ \
+ __drm_exec_retry_ptr = &&__PASTE(__drm_exec_, __LINE__);\
+ (void)__drm_exec_retry_ptr; \
+ drm_exec_cleanup(exec); \
});)
/**
--
2.34.1
