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btrfs: use BTRFS_PATH_AUTO_FREE in btrfs_lookup_bio_sums() 

This is the trivial pattern for path auto free, initialize at the
beginning and free at the end.

Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2025-02-24 09:15:17 +01:00
parent e5344080cf
commit 3349ae34b7
1 changed files with 2 additions and 5 deletions
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7
fs/btrfs/file-item.c
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@ -341,7 +341,7 @@ blk_status_t btrfs_lookup_bio_sums(struct btrfs_bio *bbio)
struct btrfs_inode *inode = bbio->inode;
struct btrfs_fs_info *fs_info = inode->root->fs_info;
struct bio *bio = &bbio->bio;
struct btrfs_path *path;
BTRFS_PATH_AUTO_FREE(path);
const u32 sectorsize = fs_info->sectorsize;
const u32 csum_size = fs_info->csum_size;
u32 orig_len = bio->bi_iter.bi_size;
@ -373,10 +373,8 @@ blk_status_t btrfs_lookup_bio_sums(struct btrfs_bio *bbio)
if (nblocks * csum_size > BTRFS_BIO_INLINE_CSUM_SIZE) {
bbio->csum = kmalloc_array(nblocks, csum_size, GFP_NOFS);
if (!bbio->csum) {
btrfs_free_path(path);
if (!bbio->csum)
return BLK_STS_RESOURCE;
}
} else {
bbio->csum = bbio->csum_inline;
}
@ -444,7 +442,6 @@ blk_status_t btrfs_lookup_bio_sums(struct btrfs_bio *bbio)
bio_offset += count * sectorsize;
}
btrfs_free_path(path);
return ret;
}