X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=arch%2Fum%2Fkernel%2Fsyscall.c;h=237c4eab7cfd6c429a6ca8831a6a681671a3ddd6;hb=721e2629fa2167c0e5a9f10d704b1fee1621a8cb;hp=48cf88dd02d4daaf94c0aca862065eb9abeb8388;hpb=ae3e0218621db0590163b2d5c424ef1f340e3cc6;p=linux-2.6-omap-h63xx.git diff --git a/arch/um/kernel/syscall.c b/arch/um/kernel/syscall.c index 48cf88dd02d..237c4eab7cf 100644 --- a/arch/um/kernel/syscall.c +++ b/arch/um/kernel/syscall.c @@ -18,7 +18,6 @@ #include "asm/mman.h" #include "asm/uaccess.h" #include "kern_util.h" -#include "user_util.h" #include "sysdep/syscalls.h" #include "mode_kern.h" #include "choose-mode.h" @@ -110,7 +109,7 @@ long sys_uname(struct old_utsname __user * name) if (!name) return -EFAULT; down_read(&uts_sem); - err = copy_to_user(name, &system_utsname, sizeof (*name)); + err = copy_to_user(name, utsname(), sizeof (*name)); up_read(&uts_sem); return err?-EFAULT:0; } @@ -126,21 +125,21 @@ long sys_olduname(struct oldold_utsname __user * name) down_read(&uts_sem); - error = __copy_to_user(&name->sysname,&system_utsname.sysname, + error = __copy_to_user(&name->sysname, &utsname()->sysname, __OLD_UTS_LEN); - error |= __put_user(0,name->sysname+__OLD_UTS_LEN); - error |= __copy_to_user(&name->nodename,&system_utsname.nodename, + error |= __put_user(0, name->sysname + __OLD_UTS_LEN); + error |= __copy_to_user(&name->nodename, &utsname()->nodename, __OLD_UTS_LEN); - error |= __put_user(0,name->nodename+__OLD_UTS_LEN); - error |= __copy_to_user(&name->release,&system_utsname.release, + error |= __put_user(0, name->nodename + __OLD_UTS_LEN); + error |= __copy_to_user(&name->release, &utsname()->release, __OLD_UTS_LEN); - error |= __put_user(0,name->release+__OLD_UTS_LEN); - error |= __copy_to_user(&name->version,&system_utsname.version, + error |= __put_user(0, name->release + __OLD_UTS_LEN); + error |= __copy_to_user(&name->version, &utsname()->version, __OLD_UTS_LEN); - error |= __put_user(0,name->version+__OLD_UTS_LEN); - error |= __copy_to_user(&name->machine,&system_utsname.machine, + error |= __put_user(0, name->version + __OLD_UTS_LEN); + error |= __copy_to_user(&name->machine, &utsname()->machine, __OLD_UTS_LEN); - error |= __put_user(0,name->machine+__OLD_UTS_LEN); + error |= __put_user(0, name->machine + __OLD_UTS_LEN); up_read(&uts_sem); @@ -149,18 +148,15 @@ long sys_olduname(struct oldold_utsname __user * name) return error; } -DEFINE_SPINLOCK(syscall_lock); - -static int syscall_index = 0; - -int next_syscall_index(int limit) +int kernel_execve(const char *filename, char *const argv[], char *const envp[]) { + mm_segment_t fs; int ret; - spin_lock(&syscall_lock); - ret = syscall_index; - if(++syscall_index == limit) - syscall_index = 0; - spin_unlock(&syscall_lock); - return(ret); + fs = get_fs(); + set_fs(KERNEL_DS); + ret = um_execve(filename, argv, envp); + set_fs(fs); + + return ret; }