`removed_sized` isn't correctly initialized (as the doc comment
suggests) on memory allocation failures. Fix by moving initialization up
a bit.
Fixes: 0c47383ba3bd ("kernfs: Add option to enable user xattrs")
Reported-by: Dan Carpenter <dan.carpenter@xxxxxxxxxx>
Signed-off-by: Daniel Xu <dxu@xxxxxxxxx>
---
I'm sending this through the cgroup tree b/c the original patchset went
through it. I don't believe the patchset has made its way into mainline
yet. Hopefully this is ok.
fs/xattr.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/xattr.c b/fs/xattr.c
index e13265e65871..91608d9bfc6a 100644
--- a/fs/xattr.c
+++ b/fs/xattr.c
@@ -876,6 +876,9 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name,
struct simple_xattr *new_xattr = NULL;
int err = 0;
+ if (removed_size)
+ *removed_size = -1;
+
/* value == NULL means remove */
if (value) {
new_xattr = simple_xattr_alloc(value, size);
@@ -914,9 +917,6 @@ int simple_xattr_set(struct simple_xattrs *xattrs, const char *name,
list_add(&new_xattr->list, &xattrs->head);
xattr = NULL;
}
-
- if (removed_size)
- *removed_size = -1;
out:
spin_unlock(&xattrs->lock);
if (xattr) {
--
2.26.0
