syscall_level2: fix set/getgroups

diff --git a/Kernel/syscall_level2.c b/Kernel/syscall_level2.c
index c9bb94c..770392d 100644 (file)
--- a/Kernel/syscall_level2.c
+++ b/Kernel/syscall_level2.c
@@ -46,7 +46,7 @@ arg_t _getgroups(void)
                udata.u_error = EINVAL;
                return -1;
        }
-       if (uput(groups, udata.u_groups, ngroup * sizeof(uint16_t)) < 0)
+       if (uput(udata.u_groups, groups, udata.u_ngroup * sizeof(uint16_t)) < 0)
                return -1;
        return udata.u_ngroup;
 }