Commit 4d47fbbe authored by John Johansen's avatar John Johansen
Browse files

apparmor: fix zero-length compiler warning in AA_BUG() 



Uses of AA_BUG() without a message can result in the compiler warning

  warning: zero-length gnu_printf format string [-Wformat-zero-length]

Fix this with a pragma for now. A larger rework of AA_BUG() will
follow.

Signed-off-by: default avatarJohn Johansen <john.johansen@canonical.com>
parent d0d845a7

security/apparmor/include/lib.h

+6 −1
Original line number Diff line number Diff line
@@ -31,7 +31,12 @@ 


#define AA_WARN(X) WARN((X), "APPARMOR WARN %s: %s\n", __func__, #X)



#define AA_BUG(X, args...) AA_BUG_FMT((X), "" args)

#define AA_BUG(X, args...)						    \

	do {								    \

		_Pragma("GCC diagnostic ignored \"-Wformat-zero-length\""); \

		AA_BUG_FMT((X), "" args);				    \

		_Pragma("GCC diagnostic warning \"-Wformat-zero-length\""); \

	} while (0)

#ifdef CONFIG_SECURITY_APPARMOR_DEBUG_ASSERTS

#define AA_BUG_FMT(X, fmt, args...)					\

	WARN((X), "AppArmor WARN %s: (" #X "): " fmt, __func__, ##args)