x86: Fix alternatives and kprobes to remap write-protected kernel text

[pandora-kernel.git] / crypto / scatterwalk.h

diff --git a/crypto/scatterwalk.h b/crypto/scatterwalk.h
index ace595a..f1592cc 100644 (file)
--- a/crypto/scatterwalk.h
+++ b/crypto/scatterwalk.h
@@ -20,11 +20,9 @@
 
 #include "internal.h"
 
-/* Define sg_next is an inline routine now in case we want to change
-   scatterlist to a linked list later. */
 static inline struct scatterlist *sg_next(struct scatterlist *sg)
 {
-       return sg + 1;
+       return (++sg)->length ? sg : (void *)sg->page;
 }
 
 static inline unsigned long scatterwalk_samebuf(struct scatter_walk *walk_in,