[PATCH v4 18/59] switch __getname_maybe_null() to CLASS(filename_flags)

[Al Viro]

Signed-off-by: Al Viro <v...@zeniv.linux.org.uk>
---
 fs/namei.c | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)

diff --git a/fs/namei.c b/fs/namei.c
index 15e14802cabb..f8c11e1a6b11 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -227,7 +227,6 @@ struct filename *getname_uflags(const char __user 
*filename, int uflags)
 
 struct filename *__getname_maybe_null(const char __user *pathname)
 {
-       struct filename *name;
        char c;
 
        /* try to save on allocations; loss on um, though */
@@ -236,12 +235,11 @@ struct filename *__getname_maybe_null(const char __user 
*pathname)
        if (!c)
                return NULL;
 
-       name = getname_flags(pathname, LOOKUP_EMPTY);
-       if (!IS_ERR(name) && !(name->name[0])) {
-               putname(name);
-               name = NULL;
-       }
-       return name;
+       CLASS(filename_flags, name)(pathname, LOOKUP_EMPTY);
+       /* empty pathname translates to NULL */
+       if (!IS_ERR(name) && !(name->name[0]))
+               return NULL;
+       return no_free_ptr(name);
 }
 
 struct filename *getname_kernel(const char * filename)
-- 
2.47.3