X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=mm%2Ffadvise.c;h=a1da969bd9803cf334c3c5c1e9746e96eba1f377;hb=17bc6c30cf6bfffd816bdc53682dd46fc34a2cf4;hp=0df4c899e979ec1101cb629a660fc04b31e1095e;hpb=a57bf8a4f23cca2b5be5446649bbe22d1440af5d;p=linux-2.6-omap-h63xx.git

diff --git a/mm/fadvise.c b/mm/fadvise.c
index 0df4c899e97..a1da969bd98 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -3,7 +3,7 @@
  *
  * Copyright (C) 2002, Linus Torvalds
  *
- * 11Jan2003	akpm@digeo.com
+ * 11Jan2003	Andrew Morton
  *		Initial version.
  */
 
@@ -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_mem) {
+		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;