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authorAl Viro <viro@ftp.linux.org.uk>2007-07-27 14:23:44 +0100
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-28 19:42:22 -0700
commit2d954d06acbcf9a5f7668a1897850c9b7be6b8f3 (patch)
treefee2f79872d2d24f50e92a3af2f9119c588eb40f
parent986c76036adb0b12cbe1bf1ce1f75586585ee227 (diff)
fix preprocessor idiocy in reiserfs
#x blocks expansion of macro argument, but it won't do you any good if it's already been expanded... As it is, RFALSE(cond, ....) ended up with stringified _expanded_ cond. Real fun when cond contains something like le32_to_cpu() and you are on a big-endian box... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--include/linux/reiserfs_fs.h8
1 files changed, 5 insertions, 3 deletions
diff --git a/include/linux/reiserfs_fs.h b/include/linux/reiserfs_fs.h
index 965d5b3ea9e..180a9d832dd 100644
--- a/include/linux/reiserfs_fs.h
+++ b/include/linux/reiserfs_fs.h
@@ -81,14 +81,16 @@ void reiserfs_warning(struct super_block *s, const char *fmt, ...);
/* assertions handling */
/** always check a condition and panic if it's false. */
-#define RASSERT( cond, format, args... ) \
+#define __RASSERT( cond, scond, format, args... ) \
if( !( cond ) ) \
- reiserfs_panic( NULL, "reiserfs[%i]: assertion " #cond " failed at " \
+ reiserfs_panic( NULL, "reiserfs[%i]: assertion " scond " failed at " \
__FILE__ ":%i:%s: " format "\n", \
in_interrupt() ? -1 : current -> pid, __LINE__ , __FUNCTION__ , ##args )
+#define RASSERT(cond, format, args...) __RASSERT(cond, #cond, format, ##args)
+
#if defined( CONFIG_REISERFS_CHECK )
-#define RFALSE( cond, format, args... ) RASSERT( !( cond ), format, ##args )
+#define RFALSE(cond, format, args...) __RASSERT(!(cond), "!(" #cond ")", format, ##args)
#else
#define RFALSE( cond, format, args... ) do {;} while( 0 )
#endif