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Blackfin: fix sparse warnings in copy_to/from_user 

Fix argument types for copy_to_user.
 Fix following sparse warnings:
 arch/blackfin/include/asm/uaccess.h:198:14: warning: incorrect type
in argument 2 (different address spaces)
 arch/blackfin/include/asm/uaccess.h:198:14:    expected void const *s
 arch/blackfin/include/asm/uaccess.h:198:14:    got void const
[noderef] <asn:1>*from
 arch/blackfin/include/asm/uaccess.h:208:14: warning: incorrect type
in argument 2 (different address spaces)
 arch/blackfin/include/asm/uaccess.h:208:14:    expected void const *s
 arch/blackfin/include/asm/uaccess.h:208:14:    got void const
[noderef] <asn:1>*from

Signed-off-by: Mikhail Gruzdev <michail.gruzdev@gmail.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
This commit is contained in:
Mikhail Gruzdev 2011-08-06 10:44:51 +04:00 committed by Mike Frysinger
parent f8b4392091
commit c91e09b683
1 changed files with 3 additions and 3 deletions
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6
arch/blackfin/include/asm/uaccess.h
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@ -195,17 +195,17 @@ static inline unsigned long __must_check
copy_from_user(void *to, const void __user *from, unsigned long n) copy_from_user(void *to, const void __user *from, unsigned long n)
{ {
if (access_ok(VERIFY_READ, from, n)) if (access_ok(VERIFY_READ, from, n))
memcpy(to, from, n); memcpy(to, (const void __force *)from, n);
else else
return n; return n;
return 0; return 0;
} }
static inline unsigned long __must_check static inline unsigned long __must_check
copy_to_user(void *to, const void __user *from, unsigned long n) copy_to_user(void __user *to, const void *from, unsigned long n)
{ {
if (access_ok(VERIFY_WRITE, to, n)) if (access_ok(VERIFY_WRITE, to, n))
memcpy(to, from, n); memcpy((void __force *)to, from, n);
else else
return n; return n;
return 0; return 0;