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Commit 00079e04 authored by Eric Eric Sesterhenn's avatar Eric Eric Sesterhenn Committed by Linus Torvalds
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[PATCH] reiserfs: null pointer dereferencing in reiserfs_read_bitmap_block 



null pointer dereferencing in reiserfs_read_bitmap_block.

Signed-off-by: default avatarAlexander Zarochentsev <zam@namesys.com>
Cc: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 5c339d45

fs/reiserfs/bitmap.c

+2 −2
Original line number Diff line number Diff line
@@ -1304,8 +1304,8 @@ struct buffer_head *reiserfs_read_bitmap_block(struct super_block *sb, 


	bh = sb_bread(sb, block);

	if (bh == NULL)

		reiserfs_warning(sb, "sh-2029: %s: bitmap block (#%lu) "

		                 "reading failed", __FUNCTION__, bh->b_blocknr);

		reiserfs_warning(sb, "sh-2029: %s: bitmap block (#%u) "

		                 "reading failed", __FUNCTION__, block);

	else {

		if (buffer_locked(bh)) {

			PROC_INFO_INC(sb, scan_bitmap.wait);