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| author | marcel <marcel@FreeBSD.org> | 2004-03-20 08:38:33 +0000 |
|---|---|---|
| committer | marcel <marcel@FreeBSD.org> | 2004-03-20 08:38:33 +0000 |
| commit | 4dcb876bb2ad0fe90d0c72907d7694fee5ebeca5 (patch) | |
| tree | 1b7fe73c6b7d48fee8af742fc0b452bdc4333272 /sys/dev/uart/uart_subr.c | |
| parent | 55f1dd7399d8d3f2e32a4d9db7add77e9900e64a (diff) | |
| download | FreeBSD-src-4dcb876bb2ad0fe90d0c72907d7694fee5ebeca5.zip FreeBSD-src-4dcb876bb2ad0fe90d0c72907d7694fee5ebeca5.tar.gz | |
Fix braino in previous commit: getenv() can return NULL.
Diffstat (limited to 'sys/dev/uart/uart_subr.c')
| -rw-r--r-- | sys/dev/uart/uart_subr.c | 2 |
1 files changed, 2 insertions, 0 deletions
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. */ |
