From 4dcb876bb2ad0fe90d0c72907d7694fee5ebeca5 Mon Sep 17 00:00:00 2001 From: marcel Date: Sat, 20 Mar 2004 08:38:33 +0000 Subject: Fix braino in previous commit: getenv() can return NULL. --- sys/dev/uart/uart_subr.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'sys/dev/uart') diff --git a/sys/dev/uart/uart_subr.c b/sys/dev/uart/uart_subr.c index 9a3cb85..4c40a36 100644 --- a/sys/dev/uart/uart_subr.c +++ b/sys/dev/uart/uart_subr.c @@ -177,6 +177,8 @@ uart_getenv(int devtype, struct uart_devinfo *di) else if (devtype == UART_DEV_DBGPORT) spec = getenv("hw.uart.dbgport"); else + spec = NULL; + if (spec == NULL) return (ENXIO); /* Set defaults. */ -- cgit v1.1