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| author |   Michel Lespinasse <walken@google.com> | 2011-03-10 18:50:58 -0800 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2011-03-11 12:23:31 +0100 |
| commit | 8d7718aa082aaf30a0b4989e1f04858952f941bc (patch) | |
| tree | f006a565d138cec2b497c2bd619f570ad1a11f6e /arch/sparc/include | |
| parent | futex: Sanitize cmpxchg_futex_value_locked API (diff) | |
| download | linux-dev-8d7718aa082aaf30a0b4989e1f04858952f941bc.tar.xz linux-dev-8d7718aa082aaf30a0b4989e1f04858952f941bc.zip | |
futex: Sanitize futex ops argument types
Change futex_atomic_op_inuser and futex_atomic_cmpxchg_inatomic
prototypes to use u32 types for the futex as this is the data type the
futex core code uses all over the place.
Signed-off-by: Michel Lespinasse <walken@google.com>
Cc: Darren Hart <darren@dvhart.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Matt Turner <mattst88@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: David Howells <dhowells@redhat.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Michal Simek <monstr@monstr.eu>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: "James E.J. Bottomley" <jejb@parisc-linux.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Chris Metcalf <cmetcalf@tilera.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
LKML-Reference: <20110311025058.GD26122@google.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/sparc/include')
| -rw-r--r-- | arch/sparc/include/asm/futex_64.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/arch/sparc/include/asm/futex_64.h b/arch/sparc/include/asm/futex_64.h index e0862200d6a1..444e7bea23bc 100644 --- a/arch/sparc/include/asm/futex_64.h +++ b/arch/sparc/include/asm/futex_64.h @@ -30,7 +30,7 @@ : "r" (uaddr), "r" (oparg), "i" (-EFAULT) \ : "memory") -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; @@ -38,7 +38,7 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) int cmparg = (encoded_op << 20) >> 20; int oldval = 0, ret, tem; - if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(int)))) + if (unlikely(!access_ok(VERIFY_WRITE, uaddr, sizeof(u32)))) return -EFAULT; if (unlikely((((unsigned long) uaddr) & 0x3UL))) return -EINVAL; @@ -85,8 +85,8 @@ static inline int futex_atomic_op_inuser(int encoded_op, int __user *uaddr) } static inline int -futex_atomic_cmpxchg_inatomic(int *uval, int __user *uaddr, - int oldval, int newval) +futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr, + u32 oldval, u32 newval) { int ret = 0; |