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authorJan Kara <jack@suse.cz>2022-12-19 19:54:12 +0100
committerJan Kara <jack@suse.cz>2023-01-09 10:39:52 +0100
commit2b10074d91e053d867148d66ba99552f576b3dd1 (patch)
treeb3871947d3c26e2c4eed2f418e1619ecc7deb6e6 /fs/udf/namei.c
parent33e9a53cd9f099b138578f8e1a3d60775ff8cbba (diff)
udf: Handle error when adding extent to symlink
When adding extent describing symlink data fails, make sure to handle the error properly, propagate it up and free the already allocated block. Signed-off-by: Jan Kara <jack@suse.cz>
Diffstat (limited to 'fs/udf/namei.c')
-rw-r--r--fs/udf/namei.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/udf/namei.c b/fs/udf/namei.c
index a4e8284043c1..261ca813a1b8 100644
--- a/fs/udf/namei.c
+++ b/fs/udf/namei.c
@@ -613,8 +613,12 @@ static int udf_symlink(struct user_namespace *mnt_userns, struct inode *dir,
iinfo->i_location.partitionReferenceNum;
bsize = sb->s_blocksize;
iinfo->i_lenExtents = bsize;
- udf_add_aext(inode, &epos, &eloc, bsize, 0);
+ err = udf_add_aext(inode, &epos, &eloc, bsize, 0);
brelse(epos.bh);
+ if (err < 0) {
+ udf_free_blocks(sb, inode, &eloc, 0, 1);
+ goto out_no_entry;
+ }
block = udf_get_pblock(sb, block,
iinfo->i_location.partitionReferenceNum,
@@ -622,6 +626,7 @@ static int udf_symlink(struct user_namespace *mnt_userns, struct inode *dir,
epos.bh = udf_tgetblk(sb, block);
if (unlikely(!epos.bh)) {
err = -ENOMEM;
+ udf_free_blocks(sb, inode, &eloc, 0, 1);
goto out_no_entry;
}
lock_buffer(epos.bh);