diff options
| -rw-r--r-- | drivers/console/multi_console.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/console/multi_console.c b/drivers/console/multi_console.c index e94de35c7..a13595923 100644 --- a/drivers/console/multi_console.c +++ b/drivers/console/multi_console.c @@ -1,5 +1,5 @@ /* - * Copyright (c) 2018, ARM Limited and Contributors. All rights reserved. + * Copyright (c) 2018-2019, ARM Limited and Contributors. All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ @@ -76,7 +76,7 @@ int console_putc(int c) console_t *console; for (console = console_list; console != NULL; console = console->next) - if (console->flags & console_state) { + if ((console->flags & console_state) && console->putc) { int ret = console->putc(c, console); if ((err == ERROR_NO_VALID_CONSOLE) || (ret < err)) err = ret; @@ -93,7 +93,7 @@ int console_getc(void) do { /* Keep polling while at least one console works correctly. */ for (console = console_list; console != NULL; console = console->next) - if (console->flags & console_state) { + if ((console->flags & console_state) && console->getc) { int ret = console->getc(console); if (ret >= 0) return ret; @@ -111,7 +111,7 @@ int console_flush(void) console_t *console; for (console = console_list; console != NULL; console = console->next) - if (console->flags & console_state) { + if ((console->flags & console_state) && console->flush) { int ret = console->flush(console); if ((err == ERROR_NO_VALID_CONSOLE) || (ret < err)) err = ret; |