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authorLinus Torvalds <torvalds@linux-foundation.org>2011-03-15 21:23:52 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-03-15 21:23:52 -0400
commitb80cd62b7d4406bbe8c573fe4381dcc71a2850fd (patch)
treeb3fbd9dcaac45feefc554b5a46888b2cbec0c51d /include/asm-generic
parentc345f60a5f58a65004f22fb0d257d65ec1528310 (diff)
parent07d5ecae2940ddd77746e2fb597dcf57d3c2e277 (diff)
Merge branch 'core-futexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
* 'core-futexes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip: arm: Remove bogus comment in futex_atomic_cmpxchg_inatomic() futex: Deobfuscate handle_futex_death() plist: Add priority list test plist: Shrink struct plist_head futex,plist: Remove debug lock assignment from plist_node futex,plist: Pass the real head of the priority list to plist_del() futex: Sanitize futex ops argument types futex: Sanitize cmpxchg_futex_value_locked API futex: Remove redundant pagefault_disable in futex_atomic_cmpxchg_inatomic() futex: Avoid redudant evaluation of task_pid_vnr() futex: Update futex_wait_setup comments about locking
Diffstat (limited to 'include/asm-generic')
-rw-r--r--include/asm-generic/futex.h7
1 files changed, 4 insertions, 3 deletions
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h
index 3c2344f48136..01f227e14254 100644
--- a/include/asm-generic/futex.h
+++ b/include/asm-generic/futex.h
@@ -6,7 +6,7 @@
6#include <asm/errno.h> 6#include <asm/errno.h>
7 7
8static inline int 8static inline int
9futex_atomic_op_inuser (int encoded_op, int __user *uaddr) 9futex_atomic_op_inuser (int encoded_op, u32 __user *uaddr)
10{ 10{
11 int op = (encoded_op >> 28) & 7; 11 int op = (encoded_op >> 28) & 7;
12 int cmp = (encoded_op >> 24) & 15; 12 int cmp = (encoded_op >> 24) & 15;
@@ -16,7 +16,7 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
16 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28)) 16 if (encoded_op & (FUTEX_OP_OPARG_SHIFT << 28))
17 oparg = 1 << oparg; 17 oparg = 1 << oparg;
18 18
19 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(int))) 19 if (! access_ok (VERIFY_WRITE, uaddr, sizeof(u32)))
20 return -EFAULT; 20 return -EFAULT;
21 21
22 pagefault_disable(); 22 pagefault_disable();
@@ -48,7 +48,8 @@ futex_atomic_op_inuser (int encoded_op, int __user *uaddr)
48} 48}
49 49
50static inline int 50static inline int
51futex_atomic_cmpxchg_inatomic(int __user *uaddr, int oldval, int newval) 51futex_atomic_cmpxchg_inatomic(u32 *uval, u32 __user *uaddr,
52 u32 oldval, u32 newval)
52{ 53{
53 return -ENOSYS; 54 return -ENOSYS;
54} 55}