This error path needs to call up_write(&ni->file.run_lock) and do some
other clean up before returning.
Fixes: aa30eccb24e5 ("fs/ntfs3: Fallocate (FALLOC_FL_INSERT_RANGE) implementation")
Signed-off-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
---
This patch is based on static analysis. I'm pretty sure that unlocking
is the correct thing and, of course, I try to not send patches that
introduce bugs. But it's untested and needs to be reviewed extra
carefully.
fs/ntfs3/attrib.c | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c
index 86e688b95ad5..3e9aefcb3e6c 100644
--- a/fs/ntfs3/attrib.c
+++ b/fs/ntfs3/attrib.c
@@ -2153,8 +2153,10 @@ int attr_insert_range(struct ntfs_inode *ni, u64 vbo, u64 bytes)
le_b = NULL;
attr_b = ni_find_attr(ni, NULL, &le_b, ATTR_DATA, NULL, 0, NULL,
&mi_b);
- if (!attr_b)
- return -ENOENT;
+ if (!attr_b) {
+ err = -ENOENT;
+ goto out;
+ }
if (!attr_b->non_res) {
err = -EINVAL;
goto out;
--
2.35.1
