From: Tilman Schmidt 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 Cc: Russell King Cc: Ian Molton Cc: Andi Kleen Cc: Hirokazu Takata Signed-off-by: Andrew Morton --- include/asm-arm/uaccess.h | 4 ++-- include/asm-arm26/uaccess-asm.h | 4 ++-- include/asm-i386/uaccess.h | 4 ++-- include/asm-m32r/uaccess.h | 4 ++-- include/asm-x86_64/uaccess.h | 4 ++-- 5 files changed, 10 insertions(+), 10 deletions(-) diff -puN include/asm-arm/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh include/asm-arm/uaccess.h --- a/include/asm-arm/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh +++ a/include/asm-arm/uaccess.h @@ -76,10 +76,10 @@ static inline void set_fs(mm_segment_t f /* We use 33-bit arithmetic here... */ #define __range_ok(addr,size) ({ \ - unsigned long flag, sum; \ + unsigned long flag, roksum; \ __chk_user_ptr(addr); \ __asm__("adds %1, %2, %3; sbcccs %1, %1, %0; movcc %0, #0" \ - : "=&r" (flag), "=&r" (sum) \ + : "=&r" (flag), "=&r" (roksum) \ : "r" (addr), "Ir" (size), "0" (current_thread_info()->addr_limit) \ : "cc"); \ flag; }) diff -puN include/asm-arm26/uaccess-asm.h~fix-sparse-warnings-from-asmnet-checksumh include/asm-arm26/uaccess-asm.h --- a/include/asm-arm26/uaccess-asm.h~fix-sparse-warnings-from-asmnet-checksumh +++ a/include/asm-arm26/uaccess-asm.h @@ -34,9 +34,9 @@ static inline void set_fs (mm_segment_t } #define __range_ok(addr,size) ({ \ - unsigned long flag, sum; \ + unsigned long flag, roksum; \ __asm__ __volatile__("subs %1, %0, %3; cmpcs %1, %2; movcs %0, #0" \ - : "=&r" (flag), "=&r" (sum) \ + : "=&r" (flag), "=&r" (roksum) \ : "r" (addr), "Ir" (size), "0" (current_thread_info()->addr_limit) \ : "cc"); \ flag; }) diff -puN include/asm-i386/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh include/asm-i386/uaccess.h --- a/include/asm-i386/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh +++ a/include/asm-i386/uaccess.h @@ -54,10 +54,10 @@ extern struct movsl_mask { * This needs 33-bit arithmetic. We have a carry... */ #define __range_ok(addr,size) ({ \ - unsigned long flag,sum; \ + unsigned long flag,roksum; \ __chk_user_ptr(addr); \ asm("addl %3,%1 ; sbbl %0,%0; cmpl %1,%4; sbbl $0,%0" \ - :"=&r" (flag), "=r" (sum) \ + :"=&r" (flag), "=r" (roksum) \ :"1" (addr),"g" ((int)(size)),"rm" (current_thread_info()->addr_limit.seg)); \ flag; }) diff -puN include/asm-m32r/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh include/asm-m32r/uaccess.h --- a/include/asm-m32r/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh +++ a/include/asm-m32r/uaccess.h @@ -68,7 +68,7 @@ static inline void set_fs(mm_segment_t s * This needs 33-bit arithmetic. We have a carry... */ #define __range_ok(addr,size) ({ \ - unsigned long flag, sum; \ + unsigned long flag, roksum; \ __chk_user_ptr(addr); \ asm ( \ " cmpu %1, %1 ; clear cbit\n" \ @@ -76,7 +76,7 @@ static inline void set_fs(mm_segment_t s " subx %0, %0\n" \ " cmpu %4, %1\n" \ " subx %0, %5\n" \ - : "=&r" (flag), "=r" (sum) \ + : "=&r" (flag), "=r" (roksum) \ : "1" (addr), "r" ((int)(size)), \ "r" (current_thread_info()->addr_limit.seg), "r" (0) \ : "cbit" ); \ diff -puN include/asm-x86_64/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh include/asm-x86_64/uaccess.h --- a/include/asm-x86_64/uaccess.h~fix-sparse-warnings-from-asmnet-checksumh +++ a/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; }) _