This adds a check to ensure that the container_of() macro is not used to
cast away (remove) constness.
Signed-off-by: Jan Blunck <jblu...@infradead.org>
---
lib/librte_eal/common/include/rte_common.h | 2 ++
1 file changed, 2 insertions(+)
diff --git a/lib/librte_eal/common/include/rte_common.h
b/lib/librte_eal/common/include/rte_common.h
index c421708..e057f6e 100644
--- a/lib/librte_eal/common/include/rte_common.h
+++ b/lib/librte_eal/common/include/rte_common.h
@@ -348,6 +348,8 @@ rte_bsf32(uint32_t v)
#ifndef container_of
#define container_of(ptr, type, member) __extension__ ({
\
const typeof(((type *)0)->member) *_ptr = (ptr); \
+ __attribute__((unused)) type *_target_ptr = \
+ (type *)(ptr); \
(type *)(((uintptr_t)_ptr) - offsetof(type, member)); \
})
#endif
--
2.7.4
