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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: Alexander Zarochentsev <zam@namesys.com> Cc: Jeff Mahoney <jeffm@suse.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1304,8 +1304,8 @@ struct buffer_head *reiserfs_read_bitmap_block(struct super_block *sb,
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bh = sb_bread(sb, block);
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if (bh == NULL)
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reiserfs_warning(sb, "sh-2029: %s: bitmap block (#%lu) "
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"reading failed", __FUNCTION__, bh->b_blocknr);
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reiserfs_warning(sb, "sh-2029: %s: bitmap block (#%u) "
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"reading failed", __FUNCTION__, block);
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else {
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if (buffer_locked(bh)) {
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PROC_INFO_INC(sb, scan_bitmap.wait);
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