[S390] Convert sys_execve to function with parameters.

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>

1 files changed, 14 insertions, 19 deletions

diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index f741cd49111a..05cf446e60b2 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -443,31 +443,26 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo)
  * sys32_execve() executes a new program after the asm stub has set
  * things up for us.  This should basically do what I want it to.
  */
-asmlinkage long sys32_execve(void)
+asmlinkage long sys32_execve(char __user *name, compat_uptr_t __user *argv,
+                             compat_uptr_t __user *envp)
 {
         struct pt_regs *regs = task_pt_regs(current);
         char *filename;
-        unsigned long result;
-        int rc;
-
-        filename = getname(compat_ptr(regs->orig_gpr2));
-        if (IS_ERR(filename)) {
-                result = PTR_ERR(filename);
-                goto out;
-        }
-        rc = compat_do_execve(filename, compat_ptr(regs->gprs[3]),
-                              compat_ptr(regs->gprs[4]), regs);
-        if (rc) {
-                result = rc;
-                goto out_putname;
-        }
+        long rc;
+
+        filename = getname(name);
+        rc = PTR_ERR(filename);
+        if (IS_ERR(filename))
+                return rc;
+        rc = compat_do_execve(filename, argv, envp, regs);
+        if (rc)
+                goto out;
         current->thread.fp_regs.fpc=0;
         asm volatile("sfpc %0,0" : : "d" (0));
-        result = regs->gprs[2];
-out_putname:
-        putname(filename);
+        rc = regs->gprs[2];
 out:
-        return result;
+        putname(filename);
+        return rc;
 }