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[S390] Convert sys_execve to function with parameters.

Browse source 
Use function parameters instead of accessing the pt_regs structure
to get the parameters.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
This commit is contained in:
Heiko Carstens 2009-09-22 22:58:42 +02:00 • committed by Martin Schwidefsky
parent 2d70ca23f8
commit 3e86a8c617
6 changed files with 38 additions and 38 deletions
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30
arch/s390/kernel/process.c
View file

@ -32,6 +32,7 @@
#include <linux/elfcore.h>
#include <linux/kernel_stat.h>
#include <linux/syscalls.h>
#include <linux/compat.h>
#include <asm/compat.h>
#include <asm/uaccess.h>
#include <asm/pgtable.h>
@ -268,30 +269,25 @@ asmlinkage void execve_tail(void)
/*
* sys_execve() executes a new program.
*/
SYSCALL_DEFINE0(execve)
SYSCALL_DEFINE3(execve, char __user *, name, char __user * __user *, argv,
char __user * __user *, envp)
{
struct pt_regs *regs = task_pt_regs(current);
char *filename;
unsigned long result;
int rc;
long rc;
filename = getname((char __user *) regs->orig_gpr2);
if (IS_ERR(filename)) {
result = PTR_ERR(filename);
filename = getname(name);
rc = PTR_ERR(filename);
if (IS_ERR(filename))
return rc;
rc = do_execve(filename, argv, envp, regs);
if (rc)
goto out;
}
rc = do_execve(filename, (char __user * __user *) regs->gprs[3],
(char __user * __user *) regs->gprs[4], regs);
if (rc) {
result = rc;
goto out_putname;
}
execve_tail();
result = regs->gprs[2];
out_putname:
putname(filename);
rc = regs->gprs[2];
out:
return result;
putname(filename);
return rc;
}
/*