diff options
Diffstat (limited to 'arch/tile/include/asm/futex.h')
| -rw-r--r-- | arch/tile/include/asm/futex.h | 27 |
1 files changed, 14 insertions, 13 deletions
diff --git a/arch/tile/include/asm/futex.h b/arch/tile/include/asm/futex.h index fe0d10dcae5..d03ec124a59 100644 --- a/arch/tile/include/asm/futex.h +++ b/arch/tile/include/asm/futex.h @@ -29,16 +29,16 @@ #include <linux/uaccess.h> #include <linux/errno.h> -extern struct __get_user futex_set(int __user *v, int i); -extern struct __get_user futex_add(int __user *v, int n); -extern struct __get_user futex_or(int __user *v, int n); -extern struct __get_user futex_andn(int __user *v, int n); -extern struct __get_user futex_cmpxchg(int __user *v, int o, int n); +extern struct __get_user futex_set(u32 __user *v, int i); +extern struct __get_user futex_add(u32 __user *v, int n); +extern struct __get_user futex_or(u32 __user *v, int n); +extern struct __get_user futex_andn(u32 __user *v, int n); +extern struct __get_user futex_cmpxchg(u32 __user *v, int o, int n); #ifndef __tilegx__ -extern struct __get_user futex_xor(int __user *v, int n); +extern struct __get_user futex_xor(u32 __user *v, int n); #else -static inline struct __get_user futex_xor(int __user *uaddr, int n) +static inline struct __get_user futex_xor(u32 __user *uaddr, int n) { struct __get_user asm_ret = __get_user_4(uaddr); if (!asm_ret.err) { @@ -53,7 +53,7 @@ static inline struct __get_user futex_xor(int __user *uaddr, int n) } #endif -static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) +static inline int futex_atomic_op_inuser(int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -65,7 +65,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) oparg = 1 << oparg; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; pagefault_disable(); @@ -119,16 +119,17 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) return ret; } -static inline int futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, - int newval) +static inline int futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { struct __get_user asm_ret; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; asm_ret = futex_cmpxchg(uaddr, oldval, newval); - return asm_ret.err ? asm_ret.err : asm_ret.val; + *uval = asm_ret.val; + return asm_ret.err; } #ifndef __tilegx__ |