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-rw-r--r--arch/s390/kernel/compat_linux.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index e15e1489aef..5b33f823863 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -295,6 +295,7 @@ static inline long put_tv32(struct compat_timeval __user *o, struct timeval *i)
*
* This is really horribly ugly.
*/
+#ifdef CONFIG_SYSVIPC
asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
{
if (call >> 16) /* hack for backward compatibility */
@@ -338,6 +339,7 @@ asmlinkage long sys32_ipc(u32 call, int first, int second, int third, u32 ptr)
return -ENOSYS;
}
+#endif
asmlinkage long sys32_truncate64(const char __user * path, unsigned long high, unsigned long low)
{
@@ -755,7 +757,9 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
put_user(oldlen, (u32 __user *)compat_ptr(tmp.oldlenp)))
error = -EFAULT;
}
- copy_to_user(args->__unused, tmp.__unused, sizeof(tmp.__unused));
+ if (copy_to_user(args->__unused, tmp.__unused,
+ sizeof(tmp.__unused)))
+ error = -EFAULT;
}
return error;
}