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| author |   Emil Goode <emilgoode@gmail.com> | 2012-04-01 20:48:04 +0200 |
|---|---|---|
| committer |   Thomas Gleixner <tglx@linutronix.de> | 2012-04-06 11:49:59 +0200 |
| commit | 46ed99d1b7c92920ce9e313152522847647aae4f (patch) | |
| tree | ab5d5d2d6a12e7105535462e8d666ecc56a7182a /arch/x86 | |
| parent | x86, kvm: Call restore_sched_clock_state() only after %gs is initialized (diff) | |
| download | linux-dev-46ed99d1b7c92920ce9e313152522847647aae4f.tar.xz linux-dev-46ed99d1b7c92920ce9e313152522847647aae4f.zip | |
x86: vsyscall: Use NULL instead 0 for a pointer argument
This patch silences the following sparse warning:
arch/x86/kernel/vsyscall_64.c:250:34:
warning: Using plain integer as NULL pointer
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Acked-by: Andy Lutomirski <luto@amacapital.net>
Cc: john.stultz@linaro.org
Link: http://lkml.kernel.org/r/1333306084-3776-1-git-send-email-emilgoode@gmail.com
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/vsyscall_64.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/arch/x86/kernel/vsyscall_64.c b/arch/x86/kernel/vsyscall_64.c index f386dc49f988..7515cf0e1805 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; } |