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Commit 4d01f031 authored by Vasily Averin's avatar Vasily Averin Committed by Greg Kroah-Hartman
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ext4: fix buffer leak in __ext4_read_dirblock() on error path 



commit de59fae0043f07de5d25e02ca360f7d57bfa5866 upstream.

Fixes: dc6982ff ("ext4: refactor code to read directory blocks ...")
Signed-off-by: default avatarVasily Averin <vvs@virtuozzo.com>
Signed-off-by: default avatarTheodore Ts'o <tytso@mit.edu>
Cc: stable@kernel.org # 3.9
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent b0f2b1fe

fs/ext4/namei.c

+1 −0
Original line number Diff line number Diff line
@@ -126,6 +126,7 @@ static struct buffer_head *__ext4_read_dirblock(struct inode *inode, 
	if (!is_dx_block && type == INDEX) {

		ext4_error_inode(inode, func, line, block,

		       "directory leaf block found instead of index block");

		brelse(bh);

		return ERR_PTR(-EFSCORRUPTED);

	}

	if (!ext4_has_metadata_csum(inode->i_sb) ||