diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2009-09-22 22:58:42 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-09-22 22:58:43 +0200 |
| commit | 3e86a8c617413e344143839c514e9b0c1713065c (patch) | |
| tree | d979f64645e47d37b273787faf6bc834550e3963 /arch/s390/kernel/process.c | |
| parent | 2d70ca23f86647e076e3a8b64b3a90e583b894d5 (diff) | |
[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>
Diffstat (limited to 'arch/s390/kernel/process.c')
| -rw-r--r-- | arch/s390/kernel/process.c | 30 |
1 files changed, 13 insertions, 17 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 189d978f76d6..59fe6ecc6ed3 100644 --- a/arch/s390/kernel/process.c +++ b/arch/s390/kernel/process.c @@ -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; } /* |