[PATCH 06/12] making the kernel -Wshadow clean - fix checksum

[Jesper Juhl <jesper.juhl@gmail.com>]

Some -Wshadow fixes for include/[asm-i386|net]/checksum.h

 include/asm/checksum.h:185: warning: declaration of 'sum' shadows a parameter
 include/asm/checksum.h:181: warning: shadowed declaration is here
 include/net/checksum.h:33: warning: declaration of 'sum' shadows a parameter
 include/net/checksum.h:31: warning: shadowed declaration is here

these show up several times each.


Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
---

 include/asm-i386/checksum.h |    4 ++--
 include/net/checksum.h      |   12 ++++++------
 2 files changed, 8 insertions(+), 8 deletions(-)

--- linux-2.6.18-rc2-orig/include/asm-i386/checksum.h	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.18-rc2/include/asm-i386/checksum.h	2006-07-18 22:03:59.000000000 +0200
@@ -178,12 +178,12 @@ static __inline__ unsigned short int csu
 #define HAVE_CSUM_COPY_USER
 static __inline__ unsigned int csum_and_copy_to_user(const unsigned char *src,
 						     unsigned char __user *dst,
-						     int len, int sum, 
+						     int len, int csum,
 						     int *err_ptr)
 {
 	might_sleep();
 	if (access_ok(VERIFY_WRITE, dst, len))
-		return csum_partial_copy_generic(src, (__force unsigned char *)dst, len, sum, NULL, err_ptr);
+		return csum_partial_copy_generic(src, (__force unsigned char *)dst, len, csum, NULL, err_ptr);
 
 	if (len)
 		*err_ptr = -EFAULT;
--- linux-2.6.18-rc2-orig/include/net/checksum.h	2006-06-18 03:49:35.000000000 +0200
+++ linux-2.6.18-rc2/include/net/checksum.h	2006-07-18 22:03:59.000000000 +0200
@@ -28,27 +28,27 @@
 #ifndef _HAVE_ARCH_COPY_AND_CSUM_FROM_USER
 static inline
 unsigned int csum_and_copy_from_user (const unsigned char __user *src, unsigned char *dst,
-				      int len, int sum, int *err_ptr)
+				      int len, int csum, int *err_ptr)
 {
 	if (access_ok(VERIFY_READ, src, len))
-		return csum_partial_copy_from_user(src, dst, len, sum, err_ptr);
+		return csum_partial_copy_from_user(src, dst, len, csum, err_ptr);
 
 	if (len)
 		*err_ptr = -EFAULT;
 
-	return sum;
+	return csum;
 }
 #endif
 
 #ifndef HAVE_CSUM_COPY_USER
 static __inline__ unsigned int csum_and_copy_to_user
-(const unsigned char *src, unsigned char __user *dst, int len, unsigned int sum, int *err_ptr)
+(const unsigned char *src, unsigned char __user *dst, int len, unsigned int csum, int *err_ptr)
 {
-	sum = csum_partial(src, len, sum);
+	sum = csum_partial(src, len, csum);
 
 	if (access_ok(VERIFY_WRITE, dst, len)) {
 		if (copy_to_user(dst, src, len) == 0)
-			return sum;
+			return csum;
 	}
 	if (len)
 		*err_ptr = -EFAULT;



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