[PATCH] fix sparse warnings from {asm,net}/checksum.h

Rename the variable "sum" in the __range_ok macros to avoid name collisions
causing lots of "symbol shadows an earlier one" warnings by sparse.

Signed-off-by: Tilman Schmidt <tilman@imap.cc>
Cc: Russell King <rmk@arm.linux.org.uk>
Cc: Andi Kleen <ak@suse.de>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Acked-by: Ian Molton <spyro@f2s.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/include/asm-x86_64/uaccess.h b/include/asm-x86_64/uaccess.h
index c0eac519840b..8079e29c14fd 100644
--- a/include/asm-x86_64/uaccess.h
+++ b/include/asm-x86_64/uaccess.h
@@ -37,11 +37,11 @@
  * Uhhuh, this needs 65-bit arithmetic. We have a carry..
  */
 #define __range_not_ok(addr,size) ({ \
-        unsigned long flag,sum; \
+        unsigned long flag,roksum; \
         __chk_user_ptr(addr); \
         asm("# range_ok\n\r" \
                 "addq %3,%1 ; sbbq %0,%0 ; cmpq %1,%4 ; sbbq $0,%0"  \
-                :"=&r" (flag), "=r" (sum) \
+                :"=&r" (flag), "=r" (roksum) \
                 :"1" (addr),"g" ((long)(size)),"g" (current_thread_info()->addr_limit.seg)); \
         flag; })