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| author | Cyrill Gorcunov <gorcunov@gmail.com> | 2008-07-05 15:53:37 +0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-07-09 13:57:54 +0200 |
| commit | d6cd7effcc5e0047faf15ab0a54c980f1a616a07 (patch) | |
| tree | ba6227c1a8af3a84c5fc18c48306fa3b03a6bf18 /arch/x86/kernel/io_delay.c | |
| parent | ab6bc3e343fbe3be4a0f67225e849d0db6b4b7ac (diff) | |
| download | linux-d6cd7effcc5e0047faf15ab0a54c980f1a616a07.tar.bz2 | |
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>
Diffstat (limited to 'arch/x86/kernel/io_delay.c')
| -rw-r--r-- | arch/x86/kernel/io_delay.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c index 5921e5f0a640..1c3a66a67f83 100644 --- a/arch/x86/kernel/io_delay.c +++ b/arch/x86/kernel/io_delay.c @@ -103,6 +103,9 @@ void __init io_delay_init(void) static int __init io_delay_param(char *s) { + if (!s) + return -EINVAL; + if (!strcmp(s, "0x80")) io_delay_type = CONFIG_IO_DELAY_TYPE_0X80; else if (!strcmp(s, "0xed")) |