diff options
Diffstat (limited to 'drivers/arm/pl011/pl011_console.c')
| -rw-r--r-- | drivers/arm/pl011/pl011_console.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/arm/pl011/pl011_console.c b/drivers/arm/pl011/pl011_console.c index a26c00e..81897ca 100644 --- a/drivers/arm/pl011/pl011_console.c +++ b/drivers/arm/pl011/pl011_console.c @@ -71,7 +71,12 @@ void console_init(unsigned long base_addr) int console_putc(int c) { - assert(uart_base); + /* If the console has not been initialized then return an error + * code. Asserting here would result in recursion and stack + * exhaustion + */ + if (!uart_base) + return -1; if (c == '\n') { WAIT_UNTIL_UART_FREE(uart_base); |