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authorJakub Kicinski <kuba@kernel.org>2025-06-12 10:08:24 -0700
committerJakub Kicinski <kuba@kernel.org>2025-06-26 10:40:50 -0700
commit28aa52b6189f1cc409f96910c63fa1b99370b99e (patch)
treee0beb1a538225a69132c267b76665b47e4c17bc1 /tools/include/linux/build_bug.h
parent5cfb2ac2806c7a255df5184d86ffca056cd5cb5c (diff)
parente34a79b96ab9d49ed8b605fee11099cf3efbb428 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR (net-6.16-rc4). Conflicts: Documentation/netlink/specs/mptcp_pm.yaml 9e6dd4c256d0 ("netlink: specs: mptcp: replace underscores with dashes in names") ec362192aa9e ("netlink: specs: fix up indentation errors") https://lore.kernel.org/20250626122205.389c2cd4@canb.auug.org.au Adjacent changes: Documentation/netlink/specs/fou.yaml 791a9ed0a40d ("netlink: specs: fou: replace underscores with dashes in names") 880d43ca9aa4 ("netlink: specs: clean up spaces in brackets") Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/include/linux/build_bug.h')
-rw-r--r--tools/include/linux/build_bug.h10
1 files changed, 5 insertions, 5 deletions
diff --git a/tools/include/linux/build_bug.h b/tools/include/linux/build_bug.h
index b4898ff085de..ab2aa97bd8ce 100644
--- a/tools/include/linux/build_bug.h
+++ b/tools/include/linux/build_bug.h
@@ -4,17 +4,17 @@
#include <linux/compiler.h>
-#ifdef __CHECKER__
-#define BUILD_BUG_ON_ZERO(e) (0)
-#else /* __CHECKER__ */
/*
* Force a compilation error if condition is true, but also produce a
* result (of value 0 and type int), so the expression can be used
* e.g. in a structure initializer (or where-ever else comma expressions
* aren't permitted).
+ *
+ * Take an error message as an optional second argument. If omitted,
+ * default to the stringification of the tested expression.
*/
-#define BUILD_BUG_ON_ZERO(e) ((int)(sizeof(struct { int:(-!!(e)); })))
-#endif /* __CHECKER__ */
+#define BUILD_BUG_ON_ZERO(e, ...) \
+ __BUILD_BUG_ON_ZERO_MSG(e, ##__VA_ARGS__, #e " is true")
/* Force a compilation error if a constant expression is not a power of 2 */
#define __BUILD_BUG_ON_NOT_POWER_OF_2(n) \