lkml.org 
[lkml]   [2015]   [Oct]   [26]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 3/7] um: Get rid of open coded NR_SYSCALLS
Date
We can use __NR_syscall_max.

Signed-off-by: Richard Weinberger <richard@nod.at>
---
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 <sysdep/syscalls.h>
#include <os.h>

-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


\
 
 \ /
  Last update: 2015-10-26 11:01    [W:0.036 / U:0.948 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site