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author | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 10:02:14 -0700 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2009-09-23 10:02:14 -0700 |
commit | 9fd815b55f31be48dbb3dd23922587d247a4e497 (patch) | |
tree | 63814130acf3e472cc660ae71208c146f16dc5d6 /arch/s390/kernel/process.c | |
parent | 31bbb9b58d1e8ebcf2b28c95c2250a9f8e31e397 (diff) | |
parent | ed87b27e00d2ca240f62f3903583a2f1541fb9ef (diff) |
Merge branch 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6: (22 commits)
[S390] Update default configuration.
[S390] hibernate: Do real CPU swap at resume time
[S390] dasd: tolerate devices that have no feature codes
[S390] zcrypt: Do not add/remove devices in s/r callbacks
[S390] hibernate: make sure pfn_is_nosave handles lowcore pages
[S390] smp: introduce LC_ORDER and simplify lowcore handling
[S390] ptrace: use common code for simple peek/poke operations
[S390] fix disabled_wait inline assembly clobber list
[S390] Change kernel_page_present coding style.
[S390] hibernation: reset system after resume
[S390] hibernation: fix guest page hinting related crash
[S390] Get rid of init_module/delete_module compat functions.
[S390] Convert sys_execve to function with parameters.
[S390] Convert sys_clone to function with parameters.
[S390] qdio: change state of all primed input buffers
[S390] qdio: reduce per device debug messages
[S390] cio: introduce consistent subchannel scanning
[S390] cio: idset use actual number of ssids
[S390] cio: dont kfree vmalloced memory
[S390] cio: introduce css_settle
...
Diffstat (limited to 'arch/s390/kernel/process.c')
-rw-r--r-- | arch/s390/kernel/process.c | 40 |
1 files changed, 15 insertions, 25 deletions
diff --git a/arch/s390/kernel/process.c b/arch/s390/kernel/process.c index 5a43f27eec1..59fe6ecc6ed 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> @@ -230,17 +231,11 @@ SYSCALL_DEFINE0(fork) return do_fork(SIGCHLD, regs->gprs[15], regs, 0, NULL, NULL); } -SYSCALL_DEFINE0(clone) +SYSCALL_DEFINE4(clone, unsigned long, newsp, unsigned long, clone_flags, + int __user *, parent_tidptr, int __user *, child_tidptr) { struct pt_regs *regs = task_pt_regs(current); - unsigned long clone_flags; - unsigned long newsp; - int __user *parent_tidptr, *child_tidptr; - clone_flags = regs->gprs[3]; - newsp = regs->orig_gpr2; - parent_tidptr = (int __user *) regs->gprs[4]; - child_tidptr = (int __user *) regs->gprs[5]; if (!newsp) newsp = regs->gprs[15]; return do_fork(clone_flags, newsp, regs, 0, @@ -274,30 +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; } /* |