kill boilerplates around posix_acl_create_masq()

new helper: posix_acl_create(&acl, gfp, mode_p).  Replaces acl with
modified clone, on failure releases acl and replaces with NULL.
Returns 0 or -ve on error.  All callers of posix_acl_create_masq()
switched.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 18 insertions, 0 deletions

diff --git a/fs/posix_acl.c b/fs/posix_acl.c
index 0aa9f1676726..365a0712da6a 100644
--- a/fs/posix_acl.c
+++ b/fs/posix_acl.c
@@ -388,6 +388,24 @@ posix_acl_chmod_masq(struct posix_acl *acl, mode_t mode)
 }
 
 int
+posix_acl_create(struct posix_acl **acl, gfp_t gfp, mode_t *mode_p)
+{
+        struct posix_acl *clone = posix_acl_clone(*acl, gfp);
+        int err = -ENOMEM;
+        if (clone) {
+                err = posix_acl_create_masq(clone, mode_p);
+                if (err < 0) {
+                        posix_acl_release(clone);
+                        clone = NULL;
+                }
+        }
+        posix_acl_release(*acl);
+        *acl = clone;
+        return err;
+}
+EXPORT_SYMBOL(posix_acl_create);
+
+int
 posix_acl_chmod(struct posix_acl **acl, gfp_t gfp, mode_t mode)
 {
         struct posix_acl *clone = posix_acl_clone(*acl, gfp);