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A couple of small fixes, one to the BMC side of things that fixes 

an interrupt issue, and one oops fix if init fails in a certain
 way on the client driver.
 
 -corey
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Merge tag 'for-linus-4.18-2' of git://github.com/cminyard/linux-ipmi

Pull IPMI fixes from Corey Minyard:
 "A couple of small fixes: one to the BMC side of things that fixes an
  interrupt issue, and one oops fix if init fails in a certain way on
  the client driver"

* tag 'for-linus-4.18-2' of git://github.com/cminyard/linux-ipmi:
  ipmi: kcs_bmc: fix IRQ exception if the channel is not open
  ipmi: Cleanup oops on initialization failure
This commit is contained in:
Linus Torvalds 2018-07-07 17:15:38 -07:00
parent 43b6b6eca8 dc0f0a026d
commit ea9561cfc9
2 changed files with 15 additions and 24 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
drivers/char/ipmi/ipmi_si_intf.c
View File

@ -2088,8 +2088,10 @@ static int try_smi_init(struct smi_info *new_smi)
return 0;
out_err:
ipmi_unregister_smi(new_smi->intf);
new_smi->intf = NULL;
if (new_smi->intf) {
ipmi_unregister_smi(new_smi->intf);
new_smi->intf = NULL;
}
kfree(init_name);

33
drivers/char/ipmi/kcs_bmc.c
View File

@ -210,34 +210,23 @@ static void kcs_bmc_handle_cmd(struct kcs_bmc *kcs_bmc)
int kcs_bmc_handle_event(struct kcs_bmc *kcs_bmc)
{
unsigned long flags;
int ret = 0;
int ret = -ENODATA;
u8 status;
spin_lock_irqsave(&kcs_bmc->lock, flags);
if (!kcs_bmc->running) {
kcs_force_abort(kcs_bmc);
ret = -ENODEV;
goto out_unlock;
status = read_status(kcs_bmc);
if (status & KCS_STATUS_IBF) {
if (!kcs_bmc->running)
kcs_force_abort(kcs_bmc);
else if (status & KCS_STATUS_CMD_DAT)
kcs_bmc_handle_cmd(kcs_bmc);
else
kcs_bmc_handle_data(kcs_bmc);
ret = 0;
}
status = read_status(kcs_bmc) & (KCS_STATUS_IBF | KCS_STATUS_CMD_DAT);
switch (status) {
case KCS_STATUS_IBF | KCS_STATUS_CMD_DAT:
kcs_bmc_handle_cmd(kcs_bmc);
break;
case KCS_STATUS_IBF:
kcs_bmc_handle_data(kcs_bmc);
break;
default:
ret = -ENODATA;
break;
}
out_unlock:
spin_unlock_irqrestore(&kcs_bmc->lock, flags);
return ret;