x86: io delay - add checking for NULL early param
Signed-off-by: Cyrill Gorcunov <gorcunov@gmail.com> Cc: akpm@linux-foundation.org Cc: andi@firstfloor.org Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
parent
ab6bc3e343
commit
d6cd7effcc
|
@ -103,6 +103,9 @@ void __init io_delay_init(void)
|
||||||
|
|
||||||
static int __init io_delay_param(char *s)
|
static int __init io_delay_param(char *s)
|
||||||
{
|
{
|
||||||
|
if (!s)
|
||||||
|
return -EINVAL;
|
||||||
|
|
||||||
if (!strcmp(s, "0x80"))
|
if (!strcmp(s, "0x80"))
|
||||||
io_delay_type = CONFIG_IO_DELAY_TYPE_0X80;
|
io_delay_type = CONFIG_IO_DELAY_TYPE_0X80;
|
||||||
else if (!strcmp(s, "0xed"))
|
else if (!strcmp(s, "0xed"))
|
||||||
|
|
Loading…
Reference in a new issue