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Commit a871611b authored by Akinobu Mita's avatar Akinobu Mita Committed by Theodore Ts'o
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ext4: check ext4_journal_get_write_access() errors 



Check ext4_journal_get_write_access() errors.

Signed-off-by: default avatarAkinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: default avatar"Theodore Ts'o" <tytso@mit.edu>
Cc: Stephen Tweedie <sct@redhat.com>
Cc: adilger@clusterfs.com
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Mingming Cao <cmm@us.ibm.com>
parent c0a4ef38

fs/ext4/namei.c

+7 −2
Original line number Original line Diff line number Diff line
@@ -57,10 +57,15 @@ static struct buffer_head *ext4_append(handle_t *handle, 




	*block = inode->i_size >> inode->i_sb->s_blocksize_bits;

	*block = inode->i_size >> inode->i_sb->s_blocksize_bits;





	if ((bh = ext4_bread(handle, inode, *block, 1, err))) {

	bh = ext4_bread(handle, inode, *block, 1, err);

	if (bh) {

		inode->i_size += inode->i_sb->s_blocksize;

		inode->i_size += inode->i_sb->s_blocksize;

		EXT4_I(inode)->i_disksize = inode->i_size;

		EXT4_I(inode)->i_disksize = inode->i_size;

		ext4_journal_get_write_access(handle,bh);

		*err = ext4_journal_get_write_access(handle, bh);

		if (*err) {

			brelse(bh);

			bh = NULL;

		}

	}

	}

	return bh;

	return bh;

}

}