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| author | Ingo Molnar <mingo@elte.hu> | 2011-03-18 10:38:53 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-03-18 10:39:00 +0100 |
| commit | 8dd8997d2c56c9f248294805e129e1fc69444380 (patch) | |
| tree | 3b030a04295fc031db98746c4074c2df1ed6a19f /arch/parisc/include/asm/futex.h | |
| parent | 1eda75c131ea42ec173323b6c34aeed78ae637c1 (diff) | |
| parent | 016aa2ed1cc9cf704cf76d8df07751b6daa9750f (diff) | |
| download | blackbird-obmc-linux-8dd8997d2c56c9f248294805e129e1fc69444380.tar.gz blackbird-obmc-linux-8dd8997d2c56c9f248294805e129e1fc69444380.zip | |
Merge branch 'linus' into x86/urgent
Merge reason: Merge upstream commits to avoid conflicts in upcoming patches.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/parisc/include/asm/futex.h')
| -rw-r--r-- | arch/parisc/include/asm/futex.h | 24 |
1 files changed, 12 insertions, 12 deletions
diff --git a/arch/parisc/include/asm/futex.h b/arch/parisc/include/asm/futex.h index 0c705c3a55ef..67a33cc27ef2 100644 --- a/arch/parisc/include/asm/futex.h +++ b/arch/parisc/include/asm/futex.h @@ -8,7 +8,7 @@ #include <asm/errno.h> static inline int -futex_atomic_op_inuser (int encoded_op, int __user *uaddr) +futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr) { int op = (encoded_op >> 28) & 7; int cmp = (encoded_op >> 24) & 15; @@ -18,7 +18,7 @@ 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(); @@ -51,10 +51,10 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr) /* Non-atomic version */ static inline int -futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { - int err = 0; - int uval; + u32 val; /* futex.c wants to do a cmpxchg_inatomic on kernel NULL, which is * our gateway page, and causes no end of trouble... @@ -62,15 +62,15 @@ futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) if (segment_eq(KERNEL_DS, get_fs()) && !uaddr) return -EFAULT; - if (!access_ok(VERIFY_WRITE, uaddr, sizeof(int))) + if (!access_ok(VERIFY_WRITE, uaddr, sizeof(u32))) return -EFAULT; - err = get_user(uval, uaddr); - if (err) return -EFAULT; - if (uval == oldval) - err = put_user(newval, uaddr); - if (err) return -EFAULT; - return uval; + if (get_user(val, uaddr)) + return -EFAULT; + if (val == oldval && put_user(newval, uaddr)) + return -EFAULT; + *uval = val; + return 0; } #endif /*__KERNEL__*/ |
