diff options
| -rw-r--r-- | drivers/char/ipmi/ipmi_si_intf.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ipmi_si_intf.c b/drivers/char/ipmi/ipmi_si_intf.c index 4f560d0bb80..1a8c1ca9055 100644 --- a/drivers/char/ipmi/ipmi_si_intf.c +++ b/drivers/char/ipmi/ipmi_si_intf.c @@ -723,8 +723,11 @@ static enum si_sm_result smi_event_handler(struct smi_info *smi_info, si_sm_result = smi_info->handlers->event(smi_info->si_sm, 0); } - /* We prefer handling attn over new messages. */ - if (si_sm_result == SI_SM_ATTN) + /* + * We prefer handling attn over new messages. But don't do + * this if there is not yet an upper layer to handle anything. + */ + if (likely(smi_info->intf) && si_sm_result == SI_SM_ATTN) { unsigned char msg[2]; |