lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[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
Download Patch File Download Diff File Expand all files Collapse all files

31
arch/s390/kernel/compat_linux.c
View File

@@ -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;
long 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;
}
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;
}