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authorLinus Torvalds <torvalds@linux-foundation.org>2012-04-12 15:06:07 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-04-12 15:06:07 -0700
commit4a1d7544fee5e601a4e642ce2720689f90428d65 (patch)
tree2b79fe68b28e38183917606829d1bfce61f4e0be /arch/x86/kernel
parentecca5c3acc0d0933d89abc44e60afb0cc8170e35 (diff)
parent8c91c5325e107ec17e40a59a47c6517387d64eb7 (diff)
Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Thomas Gleixner. * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86: Use correct byte-sized register constraint in __add() x86: Use correct byte-sized register constraint in __xchg_op() x86: vsyscall: Use NULL instead 0 for a pointer argument
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/vsyscall_64.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c
index f386dc49f98..7515cf0e180 100644
--- a/arch/x86/kernel/vsyscall_64.c
+++ b/arch/x86/kernel/vsyscall_64.c
@@ -216,9 +216,9 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
current_thread_info()->sig_on_uaccess_error = 1;
/*
- * 0 is a valid user pointer (in the access_ok sense) on 32-bit and
+ * NULL is a valid user pointer (in the access_ok sense) on 32-bit and
* 64-bit, so we don't need to special-case it here. For all the
- * vsyscalls, 0 means "don't write anything" not "write it at
+ * vsyscalls, NULL means "don't write anything" not "write it at
* address 0".
*/
ret = -EFAULT;
@@ -247,7 +247,7 @@ bool emulate_vsyscall(struct pt_regs *regs, unsigned long address)
ret = sys_getcpu((unsigned __user *)regs->di,
(unsigned __user *)regs->si,
- 0);
+ NULL);
break;
}