vmalloc.c: fix double error checking

There is no need for double error checking.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/mm/vmalloc.c b/mm/vmalloc.c
index 204b824..759deae 100644 (file)
--- a/mm/vmalloc.c
+++ b/mm/vmalloc.c
@@ -168,11 +168,9 @@ static int vmap_page_range_noflush(unsigned long start, unsigned long end,
                next = pgd_addr_end(addr, end);
                err = vmap_pud_range(pgd, addr, next, prot, pages, &nr);
                if (err)
-                       break;
+                       return err;
        } while (pgd++, addr = next, addr != end);
 
-       if (unlikely(err))
-               return err;
        return nr;
 }