syscall_fs2.c: validate m->m_dev instead of dev.

diff --git a/Kernel/syscall_fs2.c b/Kernel/syscall_fs2.c
index d3f87b8..006945b 100644 (file)
--- a/Kernel/syscall_fs2.c
+++ b/Kernel/syscall_fs2.c
@@ -382,7 +382,7 @@ int16_t _acct(void)
 int16_t _getfsys(void)
 {
         struct mount *m = fs_tab_get(dev);
-       if (dev == NO_DEVICE  || m == NULL) {
+       if (m == NULL || m->m_dev == NO_DEVICE) {
                udata.u_error = ENXIO;
                return (-1);
        }