include/asm-x86/numa_64.h: checkpatch cleanups - formatting only

[sfrench/cifs-2.6.git] / mm / fadvise.c

diff --git a/mm/fadvise.c b/mm/fadvise.c
index 0df4c899e979ec1101cb629a660fc04b31e1095e..3c0f1e99f5e40ad90a116f62a39ca1e0ca3f5fa7 100644 (file)
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -49,9 +49,21 @@ asmlinkage long sys_fadvise64_64(int fd, loff_t offset, loff_t len, int advice)
                goto out;
        }
 
-       if (mapping->a_ops->get_xip_page)
-               /* no bad return value, but ignore advice */
+       if (mapping->a_ops->get_xip_page) {
+               switch (advice) {
+               case POSIX_FADV_NORMAL:
+               case POSIX_FADV_RANDOM:
+               case POSIX_FADV_SEQUENTIAL:
+               case POSIX_FADV_WILLNEED:
+               case POSIX_FADV_NOREUSE:
+               case POSIX_FADV_DONTNEED:
+                       /* no bad return value, but ignore advice */
+                       break;
+               default:
+                       ret = -EINVAL;
+               }
                goto out;
+       }
 
        /* Careful about overflows. Len == 0 means "as much as possible" */
        endbyte = offset + len;