x86: io delay - add checking for NULL early param

[linux-2.6-omap-h63xx.git] / arch / x86 / kernel / io_delay.c

diff --git a/arch/x86/kernel/io_delay.c b/arch/x86/kernel/io_delay.c
index c706a3061553d31f69e8904ae23b7b2b335ccfd8..1c3a66a67f83d3bb6d7eec2d5e4cfb1560660720 100644 (file)
--- a/arch/x86/kernel/io_delay.c
+++ b/arch/x86/kernel/io_delay.c
@@ -76,6 +76,14 @@ static struct dmi_system_id __initdata io_delay_0xed_port_dmi_table[] = {
                        DMI_MATCH(DMI_BOARD_NAME, "30B9")
                }
        },
+       {
+               .callback       = dmi_io_delay_0xed_port,
+               .ident          = "HP Pavilion dv6000",
+               .matches        = {
+                       DMI_MATCH(DMI_BOARD_VENDOR, "Quanta"),
+                       DMI_MATCH(DMI_BOARD_NAME, "30B8")
+               }
+       },
        {
                .callback       = dmi_io_delay_0xed_port,
                .ident          = "HP Pavilion tx1000",
@@ -95,6 +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"))