fs/affs/file.c: replace if/BUG by BUG_ON

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/affs/file.c

@@ -180,8 +180,7 @@ affs_get_extblock_slow(struct inode *inode, u32 ext)
 		ext_key = be32_to_cpu(AFFS_TAIL(sb, bh)->extension);
 		if (ext < AFFS_I(inode)->i_extcnt)
 			goto read_ext;
-		if (ext > AFFS_I(inode)->i_extcnt)
-			BUG();
+		BUG_ON(ext > AFFS_I(inode)->i_extcnt);
 		bh = affs_alloc_extblock(inode, bh, ext);
 		if (IS_ERR(bh))
 			return bh;
@@ -198,8 +197,7 @@ affs_get_extblock_slow(struct inode *inode, u32 ext)
 		struct buffer_head *prev_bh;
 
 		/* allocate a new extended block */
-		if (ext > AFFS_I(inode)->i_extcnt)
-			BUG();
+		BUG_ON(ext > AFFS_I(inode)->i_extcnt);
 
 		/* get previous extended block */
 		prev_bh = affs_get_extblock(inode, ext - 1);