diff options
| -rw-r--r-- | arch/s390/kernel/compat_linux.c | 53 | ||||
| -rw-r--r-- | arch/s390/kernel/compat_linux.h | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/compat_wrapper.S | 6 |
3 files changed, 2 insertions, 59 deletions
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c index 0debcec23a3..fda1a8123f9 100644 --- a/arch/s390/kernel/compat_linux.c +++ b/arch/s390/kernel/compat_linux.c @@ -527,59 +527,6 @@ asmlinkage long sys32_sendfile64(int out_fd, int in_fd, return ret; } -#ifdef CONFIG_SYSCTL_SYSCALL -struct __sysctl_args32 { - u32 name; - int nlen; - u32 oldval; - u32 oldlenp; - u32 newval; - u32 newlen; - u32 __unused[4]; -}; - -asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args) -{ - struct __sysctl_args32 tmp; - int error; - size_t oldlen; - size_t __user *oldlenp = NULL; - unsigned long addr = (((unsigned long)&args->__unused[0]) + 7) & ~7; - - if (copy_from_user(&tmp, args, sizeof(tmp))) - return -EFAULT; - - if (tmp.oldval && tmp.oldlenp) { - /* Duh, this is ugly and might not work if sysctl_args - is in read-only memory, but do_sysctl does indirectly - a lot of uaccess in both directions and we'd have to - basically copy the whole sysctl.c here, and - glibc's __sysctl uses rw memory for the structure - anyway. */ - if (get_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp)) || - put_user(oldlen, (size_t __user *)addr)) - return -EFAULT; - oldlenp = (size_t __user *)addr; - } - - lock_kernel(); - error = do_sysctl(compat_ptr(tmp.name), tmp.nlen, compat_ptr(tmp.oldval), - oldlenp, compat_ptr(tmp.newval), tmp.newlen); - unlock_kernel(); - if (oldlenp) { - if (!error) { - if (get_user(oldlen, (size_t __user *)addr) || - put_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp))) - error = -EFAULT; - } - if (copy_to_user(args->__unused, tmp.__unused, - sizeof(tmp.__unused))) - error = -EFAULT; - } - return error; -} -#endif - struct stat64_emu31 { unsigned long long st_dev; unsigned int __pad1; diff --git a/arch/s390/kernel/compat_linux.h b/arch/s390/kernel/compat_linux.h index c07f9ca05ad..45e9092b3aa 100644 --- a/arch/s390/kernel/compat_linux.h +++ b/arch/s390/kernel/compat_linux.h @@ -162,7 +162,6 @@ struct ucontext32 { compat_sigset_t uc_sigmask; /* mask last for extensibility */ }; -struct __sysctl_args32; struct stat64_emu31; struct mmap_arg_struct_emu31; struct fadvise64_64_args; @@ -212,7 +211,6 @@ long sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, size_t count); long sys32_sendfile64(int out_fd, int in_fd, compat_loff_t __user *offset, s32 count); -long sys32_sysctl(struct __sysctl_args32 __user *args); long sys32_stat64(char __user * filename, struct stat64_emu31 __user * statbuf); long sys32_lstat64(char __user * filename, struct stat64_emu31 __user * statbuf); diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S index cbd9901dc0f..30de2d0e52b 100644 --- a/arch/s390/kernel/compat_wrapper.S +++ b/arch/s390/kernel/compat_wrapper.S @@ -689,8 +689,6 @@ sys32_fdatasync_wrapper: llgfr %r2,%r2 # unsigned int jg sys_fdatasync # branch to system call -#sys32_sysctl_wrapper # tbd - .globl sys32_mlock_wrapper sys32_mlock_wrapper: llgfr %r2,%r2 # unsigned long @@ -1087,8 +1085,8 @@ sys32_stime_wrapper: .globl sys32_sysctl_wrapper sys32_sysctl_wrapper: - llgtr %r2,%r2 # struct __sysctl_args32 * - jg sys32_sysctl + llgtr %r2,%r2 # struct compat_sysctl_args * + jg compat_sys_sysctl .globl sys32_fstat64_wrapper sys32_fstat64_wrapper: |