revert "dpt_i2o: convert to SCSI hotplug model"

[powerpc.git] / drivers / misc / thinkpad_acpi.c

diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c
index 8c94307..ab23a32 100644 (file)
--- a/drivers/misc/thinkpad_acpi.c
+++ b/drivers/misc/thinkpad_acpi.c
@@ -4817,9 +4817,15 @@ static int __init set_ibm_param(const char *val, struct kernel_param *kp)
        unsigned int i;
        struct ibm_struct *ibm;
 
+       if (!kp || !kp->name || !val)
+               return -EINVAL;
+
        for (i = 0; i < ARRAY_SIZE(ibms_init); i++) {
                ibm = ibms_init[i].data;
-               BUG_ON(ibm == NULL);
+               WARN_ON(ibm == NULL);
+
+               if (!ibm || !ibm->name)
+                       continue;
 
                if (strcmp(ibm->name, kp->name) == 0 && ibm->write) {
                        if (strlen(val) > sizeof(ibms_init[i].param) - 2)