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Date: Wed, 3 Jan 2007 03:24:52 +0100
From: Tilman Schmidt <tilman@...p.cc>
To: Dave Jones <davej@...hat.com>, Andrew Morton <akpm@...l.org>,
<linux-kernel@...r.kernel.org>
Subject: [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@...p.cc>
---
asm-arm/uaccess.h | 4 ++--
asm-arm26/uaccess-asm.h | 4 ++--
asm-i386/uaccess.h | 4 ++--
asm-m32r/uaccess.h | 4 ++--
asm-x86_64/uaccess.h | 4 ++--
5 files changed, 10 insertions(+), 10 deletions(-)
diff -pru linux-2.6.20-rc3-work/include/asm-arm/uaccess.h linux-2.6.20-rc3-new/include/asm-arm/uaccess.h
--- linux-2.6.20-rc3-work/include/asm-arm/uaccess.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-rc3-new/include/asm-arm/uaccess.h 2007-01-02 00:23:34.000000000 +0100
@@ -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 -pru linux-2.6.20-rc3-work/include/asm-arm26/uaccess-asm.h linux-2.6.20-rc3-new/include/asm-arm26/uaccess-asm.h
--- linux-2.6.20-rc3-work/include/asm-arm26/uaccess-asm.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-rc3-new/include/asm-arm26/uaccess-asm.h 2007-01-02 00:23:50.000000000 +0100
@@ -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 -pru linux-2.6.20-rc3-work/include/asm-i386/uaccess.h linux-2.6.20-rc3-new/include/asm-i386/uaccess.h
--- linux-2.6.20-rc3-work/include/asm-i386/uaccess.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-rc3-new/include/asm-i386/uaccess.h 2007-01-02 00:24:04.000000000 +0100
@@ -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 -pru linux-2.6.20-rc3-work/include/asm-m32r/uaccess.h linux-2.6.20-rc3-new/include/asm-m32r/uaccess.h
--- linux-2.6.20-rc3-work/include/asm-m32r/uaccess.h 2006-11-29 22:57:37.000000000 +0100
+++ linux-2.6.20-rc3-new/include/asm-m32r/uaccess.h 2007-01-02 00:24:25.000000000 +0100
@@ -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 -pru linux-2.6.20-rc3-work/include/asm-x86_64/uaccess.h linux-2.6.20-rc3-new/include/asm-x86_64/uaccess.h
--- linux-2.6.20-rc3-work/include/asm-x86_64/uaccess.h 2007-01-01 21:14:56.000000000 +0100
+++ linux-2.6.20-rc3-new/include/asm-x86_64/uaccess.h 2007-01-02 00:25:05.000000000 +0100
@@ -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; })
-
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