diff options
Diffstat (limited to 'libfshelp')
| -rw-r--r-- | libfshelp/fetch-root.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/libfshelp/fetch-root.c b/libfshelp/fetch-root.c index 7d9761fd..7686b77d 100644 --- a/libfshelp/fetch-root.c +++ b/libfshelp/fetch-root.c @@ -59,6 +59,9 @@ fshelp_fetch_root (struct transbox *box, void *cookie, mach_port_t rend, ret; error_t err; + if (port == MACH_PORT_NULL) + return port; + rend = mach_reply_port (); err = io_reauthenticate (port, rend, MACH_MSG_TYPE_MAKE_SEND); |