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-rw-r--r--fs/overlayfs/dir.c5
1 files changed, 2 insertions, 3 deletions
diff --git a/fs/overlayfs/dir.c b/fs/overlayfs/dir.c
index e03f39550ccf..ce1857fb5434 100644
--- a/fs/overlayfs/dir.c
+++ b/fs/overlayfs/dir.c
@@ -414,13 +414,12 @@ static int ovl_set_upper_acl(struct dentry *upperdentry, const char *name,
if (!IS_ENABLED(CONFIG_FS_POSIX_ACL) || !acl)
return 0;
- size = posix_acl_to_xattr(NULL, acl, NULL, 0);
+ size = posix_acl_xattr_size(acl->a_count);
buffer = kmalloc(size, GFP_KERNEL);
if (!buffer)
return -ENOMEM;
- size = posix_acl_to_xattr(&init_user_ns, acl, buffer, size);
- err = size;
+ err = posix_acl_to_xattr(&init_user_ns, acl, buffer, size);
if (err < 0)
goto out_free;