diff options
Diffstat (limited to 'drivers/misc/thinkpad_acpi.c')
| -rw-r--r-- | drivers/misc/thinkpad_acpi.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/misc/thinkpad_acpi.c b/drivers/misc/thinkpad_acpi.c index 8c943077528..ab23a322158 100644 --- 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) |