gfs2: using posix_acl_xattr_size instead of posix_acl_to_xattr
It seems better to get size by calling posix_acl_xattr_size() instead of
calling posix_acl_to_xattr() with NULL buffer argument.
posix_acl_xattr_size() never returns 0, so remove the unnecessary check.
Signed-off-by: Chengguang Xu <cgxu519@gmx.com>
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
diff --git a/fs/gfs2/acl.c b/fs/gfs2/acl.c
index 776717f..af5f87a 100644
--- a/fs/gfs2/acl.c
+++ b/fs/gfs2/acl.c
@@ -82,14 +82,12 @@ struct posix_acl *gfs2_get_acl(struct inode *inode, int type)
int __gfs2_set_acl(struct inode *inode, struct posix_acl *acl, int type)
{
int error;
- int len;
+ size_t len;
char *data;
const char *name = gfs2_acl_name(type);
if (acl) {
- len = posix_acl_to_xattr(&init_user_ns, acl, NULL, 0);
- if (len == 0)
- return 0;
+ len = posix_acl_xattr_size(acl->a_count);
data = kmalloc(len, GFP_NOFS);
if (data == NULL)
return -ENOMEM;