X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=arch%2Fcris%2Farch-v10%2Flib%2Fold_checksum.c;h=497634a64829a7566095584fb985b948fa37190a;hb=refs%2Fheads%2Fvserver;hp=22a6f0aa9cef62007b77850097cbb778da0bb75f;hpb=76828883507a47dae78837ab5dec5a5b4513c667;p=linux-2.6.git

diff --git a/arch/cris/arch-v10/lib/old_checksum.c b/arch/cris/arch-v10/lib/old_checksum.c
index 22a6f0aa9..497634a64 100644
--- a/arch/cris/arch-v10/lib/old_checksum.c
+++ b/arch/cris/arch-v10/lib/old_checksum.c
@@ -47,39 +47,41 @@
 
 #include <asm/delay.h>
 
-unsigned int csum_partial(const unsigned char * buff, int len, unsigned int sum)
+__wsum csum_partial(const void *p, int len, __wsum __sum)
 {
-  /*
-   * Experiments with ethernet and slip connections show that buff
-   * is aligned on either a 2-byte or 4-byte boundary.
-   */
-  const unsigned char *endMarker = buff + len;
-  const unsigned char *marker = endMarker - (len % 16);
+	u32 sum = (__force u32)__sum;
+	const u16 *buff = p;
+	/*
+	* Experiments with ethernet and slip connections show that buff
+	* is aligned on either a 2-byte or 4-byte boundary.
+	*/
+	const void *endMarker = p + len;
+	const void *marker = endMarker - (len % 16);
 #if 0
-  if((int)buff & 0x3)
-    printk("unaligned buff %p\n", buff);
-  __delay(900); /* extra delay of 90 us to test performance hit */
+	if((int)buff & 0x3)
+		printk("unaligned buff %p\n", buff);
+	__delay(900); /* extra delay of 90 us to test performance hit */
 #endif
-  BITON;
-  while (buff < marker) {
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-    sum += *((unsigned short *)buff)++;
-  }
-  marker = endMarker - (len % 2);
-  while(buff < marker) {
-    sum += *((unsigned short *)buff)++;
-  }
-  if(endMarker - buff > 0) {
-    sum += *buff;                 /* add extra byte seperately */
-  }
-  BITOFF;
-  return(sum);
+	BITON;
+	while (buff < marker) {
+		sum += *buff++;
+		sum += *buff++;
+		sum += *buff++;
+		sum += *buff++;
+		sum += *buff++;
+		sum += *buff++;
+		sum += *buff++;
+		sum += *buff++;
+	}
+	marker = endMarker - (len % 2);
+	while (buff < marker)
+		sum += *buff++;
+
+	if (endMarker > buff)
+		sum += *(const u8 *)buff;	/* add extra byte seperately */
+
+	BITOFF;
+	return (__force __wsum)sum;
 }
 
 EXPORT_SYMBOL(csum_partial);