Messages in this thread Patch in this message | | | Date | Fri, 6 Apr 2012 03:03:49 -0700 | From | tip-bot for Emil Goode <> | Subject | [tip:x86/urgent] x86: vsyscall: Use NULL instead 0 for a pointer argument |
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Commit-ID: 46ed99d1b7c92920ce9e313152522847647aae4f Gitweb: http://git.kernel.org/tip/46ed99d1b7c92920ce9e313152522847647aae4f Author: Emil Goode <emilgoode@gmail.com> AuthorDate: Sun, 1 Apr 2012 20:48:04 +0200 Committer: Thomas Gleixner <tglx@linutronix.de> CommitDate: Fri, 6 Apr 2012 11:49:59 +0200
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> --- 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 f386dc4..7515cf0 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; }
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