[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>
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Linus Torvalds
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3db5db4fcd
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16cf5b39b8
@ -68,7 +68,7 @@ static inline void set_fs(mm_segment_t s)
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* This needs 33-bit arithmetic. We have a carry...
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*/
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#define __range_ok(addr,size) ({ \
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unsigned long flag, sum; \
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unsigned long flag, roksum; \
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__chk_user_ptr(addr); \
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asm ( \
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" cmpu %1, %1 ; clear cbit\n" \
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@ -76,7 +76,7 @@ static inline void set_fs(mm_segment_t s)
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" subx %0, %0\n" \
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" cmpu %4, %1\n" \
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" subx %0, %5\n" \
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: "=&r" (flag), "=r" (sum) \
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: "=&r" (flag), "=r" (roksum) \
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: "1" (addr), "r" ((int)(size)), \
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"r" (current_thread_info()->addr_limit.seg), "r" (0) \
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: "cbit" ); \
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