UBIFS: add a log overlap assertion

Add an assertion which checkes that the head of the log never overlaps with the tail of the log. Suggested-by: hujianyang <[email protected]> Signed-off-by: Artem Bityutskiy <[email protected]>
SKAPUSTIANSKYI · Jul 19, 2014 · 545f7fd · 545f7fd
1 parent f1cb705
commit 545f7fd
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/fs/ubifs/misc.h b/fs/ubifs/misc.h
@@ -297,6 +297,7 @@ static inline int ubifs_next_log_lnum(const struct ubifs_info *c, int lnum)
 	if (lnum > c->log_last)
 		lnum = UBIFS_LOG_LNUM;
 
+	ubifs_assert(lnum != c->ltail_lnum);
 	return lnum;
 }