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btrfs: fix a memory allocation failure test in btrfs_submit_direct

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commit 063b1f21cc upstream.

After allocation 'dip' is tested instead of 'dip->csums'.  Fix it.

Fixes: 642c5d34da ("btrfs: allocate the btrfs_dio_private as part of the iomap dio bio")
CC: stable@vger.kernel.org # 5.19+
Reviewed-by: Nikolay Borisov <nborisov@suse.com>
Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Christophe JAILLET 2022-10-30 08:35:28 +01:00 committed by Greg Kroah-Hartman
parent d8d3545786
commit 120f1b481d
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/inode.c
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@ -8142,7 +8142,7 @@ static void btrfs_submit_direct(const struct iomap_iter *iter,
*/
status = BLK_STS_RESOURCE;
dip->csums = kcalloc(nr_sectors, fs_info->csum_size, GFP_NOFS);
if (!dip)
if (!dip->csums)
goto out_err;
status = btrfs_lookup_bio_sums(inode, dio_bio, dip->csums);