diff options
| author | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
|---|---|---|
| committer | Emmanuel Grumbach <emmanuel.grumbach@intel.com> | 2015-10-25 12:38:20 +0200 |
| commit | 10d15322ed26652263a579bcb59dfd49ab8a30de (patch) | |
| tree | b1497de1b8ffd34b991cdf6e21de1c7a0a65f1de /drivers/scsi/mpt2sas/mpt2sas_base.c | |
| parent | 0316d30ea3e66379cd30ed70a114bc282159bb4c (diff) | |
| parent | e5a9f8d04660da7ef3a98260aa74c3976f9cb4cd (diff) | |
| download | linux-10d15322ed26652263a579bcb59dfd49ab8a30de.tar.gz linux-10d15322ed26652263a579bcb59dfd49ab8a30de.tar.xz | |
Merge remote-tracking branch 'mac80211-next/master' into next
Diffstat (limited to 'drivers/scsi/mpt2sas/mpt2sas_base.c')
| -rw-r--r-- | drivers/scsi/mpt2sas/mpt2sas_base.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 6dec7cff316f..c167911221e9 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -112,9 +112,12 @@ _scsih_set_fwfault_debug(const char *val, struct kernel_param *kp) if (ret) return ret; + /* global ioc spinlock to protect controller list on list operations */ printk(KERN_INFO "setting fwfault_debug(%d)\n", mpt2sas_fwfault_debug); + spin_lock(&gioc_lock); list_for_each_entry(ioc, &mpt2sas_ioc_list, list) ioc->fwfault_debug = mpt2sas_fwfault_debug; + spin_unlock(&gioc_lock); return 0; } @@ -4437,6 +4440,8 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) dexitprintk(ioc, printk(MPT2SAS_INFO_FMT "%s\n", ioc->name, __func__)); + /* synchronizing freeing resource with pci_access_mutex lock */ + mutex_lock(&ioc->pci_access_mutex); if (ioc->chip_phys && ioc->chip) { _base_mask_interrupts(ioc); ioc->shost_recovery = 1; @@ -4456,6 +4461,7 @@ mpt2sas_base_free_resources(struct MPT2SAS_ADAPTER *ioc) pci_disable_pcie_error_reporting(pdev); pci_disable_device(pdev); } + mutex_unlock(&ioc->pci_access_mutex); return; } |