diff options
Diffstat (limited to 'arch/x86_64/ia32/sys_ia32.c')
| -rw-r--r-- | arch/x86_64/ia32/sys_ia32.c | 54 |
1 files changed, 30 insertions, 24 deletions
diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c index 9c130993380d..f280d3665f4b 100644 --- a/arch/x86_64/ia32/sys_ia32.c +++ b/arch/x86_64/ia32/sys_ia32.c @@ -60,6 +60,7 @@ #include <linux/highuid.h> #include <linux/vmalloc.h> #include <linux/fsnotify.h> +#include <linux/sysctl.h> #include <asm/mman.h> #include <asm/types.h> #include <asm/uaccess.h> @@ -389,7 +390,9 @@ sys32_rt_sigprocmask(int how, compat_sigset_t __user *set, } } set_fs (KERNEL_DS); - ret = sys_rt_sigprocmask(how, set ? &s : NULL, oset ? &s : NULL, + ret = sys_rt_sigprocmask(how, + set ? (sigset_t __user *)&s : NULL, + oset ? (sigset_t __user *)&s : NULL, sigsetsize); set_fs (old_fs); if (ret) return ret; @@ -541,7 +544,7 @@ sys32_sysinfo(struct sysinfo32 __user *info) int bitcount = 0; set_fs (KERNEL_DS); - ret = sys_sysinfo(&s); + ret = sys_sysinfo((struct sysinfo __user *)&s); set_fs (old_fs); /* Check to see if any memory value is too large for 32-bit and scale @@ -589,7 +592,7 @@ sys32_sched_rr_get_interval(compat_pid_t pid, struct compat_timespec __user *int mm_segment_t old_fs = get_fs (); set_fs (KERNEL_DS); - ret = sys_sched_rr_get_interval(pid, &t); + ret = sys_sched_rr_get_interval(pid, (struct timespec __user *)&t); set_fs (old_fs); if (put_compat_timespec(&t, interval)) return -EFAULT; @@ -605,7 +608,7 @@ sys32_rt_sigpending(compat_sigset_t __user *set, compat_size_t sigsetsize) mm_segment_t old_fs = get_fs(); set_fs (KERNEL_DS); - ret = sys_rt_sigpending(&s, sigsetsize); + ret = sys_rt_sigpending((sigset_t __user *)&s, sigsetsize); set_fs (old_fs); if (!ret) { switch (_NSIG_WORDS) { @@ -630,7 +633,7 @@ sys32_rt_sigqueueinfo(int pid, int sig, compat_siginfo_t __user *uinfo) if (copy_siginfo_from_user32(&info, uinfo)) return -EFAULT; set_fs (KERNEL_DS); - ret = sys_rt_sigqueueinfo(pid, sig, &info); + ret = sys_rt_sigqueueinfo(pid, sig, (siginfo_t __user *)&info); set_fs (old_fs); return ret; } @@ -645,7 +648,7 @@ sys32_pause(void) } -#ifdef CONFIG_SYSCTL +#ifdef CONFIG_SYSCTL_SYSCALL struct sysctl_ia32 { unsigned int name; int nlen; @@ -666,9 +669,6 @@ sys32_sysctl(struct sysctl_ia32 __user *args32) size_t oldlen; int __user *namep; long ret; - extern int do_sysctl(int *name, int nlen, void *oldval, size_t *oldlenp, - void *newval, size_t newlen); - if (copy_from_user(&a32, args32, sizeof (a32))) return -EFAULT; @@ -692,7 +692,8 @@ sys32_sysctl(struct sysctl_ia32 __user *args32) set_fs(KERNEL_DS); lock_kernel(); - ret = do_sysctl(namep, a32.nlen, oldvalp, &oldlen, newvalp, (size_t) a32.newlen); + ret = do_sysctl(namep, a32.nlen, oldvalp, (size_t __user *)&oldlen, + newvalp, (size_t) a32.newlen); unlock_kernel(); set_fs(old_fs); @@ -743,7 +744,8 @@ sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count) return -EFAULT; set_fs(KERNEL_DS); - ret = sys_sendfile(out_fd, in_fd, offset ? &of : NULL, count); + ret = sys_sendfile(out_fd, in_fd, offset ? (off_t __user *)&of : NULL, + count); set_fs(old_fs); if (offset && put_user(of, offset)) @@ -778,7 +780,7 @@ asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len, asmlinkage long sys32_olduname(struct oldold_utsname __user * name) { - int error; + int err; if (!name) return -EFAULT; @@ -787,27 +789,31 @@ asmlinkage long sys32_olduname(struct oldold_utsname __user * name) down_read(&uts_sem); - error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN); - __put_user(0,name->sysname+__OLD_UTS_LEN); - __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN); - __put_user(0,name->nodename+__OLD_UTS_LEN); - __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN); - __put_user(0,name->release+__OLD_UTS_LEN); - __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN); - __put_user(0,name->version+__OLD_UTS_LEN); + err = __copy_to_user(&name->sysname,&system_utsname.sysname, + __OLD_UTS_LEN); + err |= __put_user(0,name->sysname+__OLD_UTS_LEN); + err |= __copy_to_user(&name->nodename,&system_utsname.nodename, + __OLD_UTS_LEN); + err |= __put_user(0,name->nodename+__OLD_UTS_LEN); + err |= __copy_to_user(&name->release,&system_utsname.release, + __OLD_UTS_LEN); + err |= __put_user(0,name->release+__OLD_UTS_LEN); + err |= __copy_to_user(&name->version,&system_utsname.version, + __OLD_UTS_LEN); + err |= __put_user(0,name->version+__OLD_UTS_LEN); { char *arch = "x86_64"; if (personality(current->personality) == PER_LINUX32) arch = "i686"; - __copy_to_user(&name->machine,arch,strlen(arch)+1); + err |= __copy_to_user(&name->machine,arch,strlen(arch)+1); } up_read(&uts_sem); - error = error ? -EFAULT : 0; + err = err ? -EFAULT : 0; - return error; + return err; } long sys32_uname(struct old_utsname __user * name) @@ -831,7 +837,7 @@ long sys32_ustat(unsigned dev, struct ustat32 __user *u32p) seg = get_fs(); set_fs(KERNEL_DS); - ret = sys_ustat(dev,&u); + ret = sys_ustat(dev, (struct ustat __user *)&u); set_fs(seg); if (ret >= 0) { if (!access_ok(VERIFY_WRITE,u32p,sizeof(struct ustat32)) || |