diff options
Diffstat (limited to 'kernel/arch/metag/include/asm')
| -rw-r--r-- | kernel/arch/metag/include/asm/atomic.h | 3 | ||||
| -rw-r--r-- | kernel/arch/metag/include/asm/atomic_lnkget.h | 2 | ||||
| -rw-r--r-- | kernel/arch/metag/include/asm/cmpxchg_lnkget.h | 2 | ||||
| -rw-r--r-- | kernel/arch/metag/include/asm/uaccess.h | 3 |
4 files changed, 5 insertions, 5 deletions
diff --git a/kernel/arch/metag/include/asm/atomic.h b/kernel/arch/metag/include/asm/atomic.h index 470e365f0..8ff0a7086 100644 --- a/kernel/arch/metag/include/asm/atomic.h +++ b/kernel/arch/metag/include/asm/atomic.h @@ -39,11 +39,10 @@ #define atomic_dec(v) atomic_sub(1, (v)) #define atomic_inc_not_zero(v) atomic_add_unless((v), 1, 0) +#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) #endif -#define atomic_dec_if_positive(v) atomic_sub_if_positive(1, v) - #include <asm-generic/atomic64.h> #endif /* __ASM_METAG_ATOMIC_H */ diff --git a/kernel/arch/metag/include/asm/atomic_lnkget.h b/kernel/arch/metag/include/asm/atomic_lnkget.h index a62581815..88fa25fae 100644 --- a/kernel/arch/metag/include/asm/atomic_lnkget.h +++ b/kernel/arch/metag/include/asm/atomic_lnkget.h @@ -61,7 +61,7 @@ static inline int atomic_##op##_return(int i, atomic_t *v) \ " CMPT %0, #HI(0x02000000)\n" \ " BNZ 1b\n" \ : "=&d" (temp), "=&da" (result) \ - : "da" (&v->counter), "bd" (i) \ + : "da" (&v->counter), "br" (i) \ : "cc"); \ \ smp_mb(); \ diff --git a/kernel/arch/metag/include/asm/cmpxchg_lnkget.h b/kernel/arch/metag/include/asm/cmpxchg_lnkget.h index 0154e2807..2369ad394 100644 --- a/kernel/arch/metag/include/asm/cmpxchg_lnkget.h +++ b/kernel/arch/metag/include/asm/cmpxchg_lnkget.h @@ -73,7 +73,7 @@ static inline unsigned long __cmpxchg_u32(volatile int *m, unsigned long old, " DCACHE [%2], %0\n" #endif "2:\n" - : "=&d" (temp), "=&da" (retval) + : "=&d" (temp), "=&d" (retval) : "da" (m), "bd" (old), "da" (new) : "cc" ); diff --git a/kernel/arch/metag/include/asm/uaccess.h b/kernel/arch/metag/include/asm/uaccess.h index 8282cbce7..273e61225 100644 --- a/kernel/arch/metag/include/asm/uaccess.h +++ b/kernel/arch/metag/include/asm/uaccess.h @@ -204,8 +204,9 @@ extern unsigned long __must_check __copy_user_zeroing(void *to, static inline unsigned long copy_from_user(void *to, const void __user *from, unsigned long n) { - if (access_ok(VERIFY_READ, from, n)) + if (likely(access_ok(VERIFY_READ, from, n))) return __copy_user_zeroing(to, from, n); + memset(to, 0, n); return n; } |