From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sog-mx-1.v43.ch3.sourceforge.com ([172.29.43.191] helo=mx.sourceforge.net) by sfs-ml-2.v29.ch3.sourceforge.com with esmtp (Exim 4.76) (envelope-from ) id 1ZqeOH-0000dk-S7 for user-mode-linux-devel@lists.sourceforge.net; Mon, 26 Oct 2015 09:48:33 +0000 Received: from mail.sigma-star.at ([95.130.255.111]) by sog-mx-1.v43.ch3.sourceforge.com with esmtp (Exim 4.76) id 1ZqeOG-0004gh-Q6 for user-mode-linux-devel@lists.sourceforge.net; Mon, 26 Oct 2015 09:48:33 +0000 From: Richard Weinberger Date: Mon, 26 Oct 2015 10:48:13 +0100 Message-Id: <1445852897-13102-3-git-send-email-richard@nod.at> In-Reply-To: <1445852897-13102-1-git-send-email-richard@nod.at> References: <1445852897-13102-1-git-send-email-richard@nod.at> List-Id: The user-mode Linux development list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: user-mode-linux-devel-bounces@lists.sourceforge.net Subject: [uml-devel] [PATCH 3/7] um: Get rid of open coded NR_SYSCALLS To: user-mode-linux-devel@lists.sourceforge.net Cc: Richard Weinberger , linux-kernel@vger.kernel.org We can use __NR_syscall_max. Signed-off-by: Richard Weinberger --- arch/um/kernel/skas/syscall.c | 8 +++----- 1 file changed, 3 insertions(+), 5 deletions(-) diff --git a/arch/um/kernel/skas/syscall.c b/arch/um/kernel/skas/syscall.c index 64a8fe5..1683b8e 100644 --- a/arch/um/kernel/skas/syscall.c +++ b/arch/um/kernel/skas/syscall.c @@ -10,9 +10,6 @@ #include #include -extern int syscall_table_size; -#define NR_SYSCALLS (syscall_table_size / sizeof(void *)) - void handle_syscall(struct uml_pt_regs *r) { struct pt_regs *regs = container_of(r, struct pt_regs, regs); @@ -26,9 +23,10 @@ void handle_syscall(struct uml_pt_regs *r) syscall = get_syscall(r); - if ((syscall >= NR_SYSCALLS) || (syscall < 0)) + if ((syscall > __NR_syscall_max) || syscall < 0) result = -ENOSYS; - else result = EXECUTE_SYSCALL(syscall, regs); + else + result = EXECUTE_SYSCALL(syscall, regs); out: PT_REGS_SET_SYSCALL_RETURN(regs, result); -- 1.8.4.5 ------------------------------------------------------------------------------ _______________________________________________ User-mode-linux-devel mailing list User-mode-linux-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/user-mode-linux-devel