diff options
Diffstat (limited to 'arch/powerpc/kernel/eeh.c')
| -rw-r--r-- | arch/powerpc/kernel/eeh.c | 20 |
1 files changed, 7 insertions, 13 deletions
diff --git a/arch/powerpc/kernel/eeh.c b/arch/powerpc/kernel/eeh.c index ca7f7bb2b478..13578f4db254 100644 --- a/arch/powerpc/kernel/eeh.c +++ b/arch/powerpc/kernel/eeh.c @@ -1208,16 +1208,16 @@ int eeh_dev_open(struct pci_dev *pdev) struct eeh_dev *edev; int ret = -ENODEV; - mutex_lock(&eeh_dev_mutex); + guard(mutex)(&eeh_dev_mutex); /* No PCI device ? */ if (!pdev) - goto out; + return ret; /* No EEH device or PE ? */ edev = pci_dev_to_eeh_dev(pdev); if (!edev || !edev->pe) - goto out; + return ret; /* * The PE might have been put into frozen state, but we @@ -1227,16 +1227,12 @@ int eeh_dev_open(struct pci_dev *pdev) */ ret = eeh_pe_change_owner(edev->pe); if (ret) - goto out; + return ret; /* Increase PE's pass through count */ atomic_inc(&edev->pe->pass_dev_cnt); - mutex_unlock(&eeh_dev_mutex); return 0; -out: - mutex_unlock(&eeh_dev_mutex); - return ret; } EXPORT_SYMBOL_GPL(eeh_dev_open); @@ -1252,22 +1248,20 @@ void eeh_dev_release(struct pci_dev *pdev) { struct eeh_dev *edev; - mutex_lock(&eeh_dev_mutex); + guard(mutex)(&eeh_dev_mutex); /* No PCI device ? */ if (!pdev) - goto out; + return; /* No EEH device ? */ edev = pci_dev_to_eeh_dev(pdev); if (!edev || !edev->pe || !eeh_pe_passed(edev->pe)) - goto out; + return; /* Decrease PE's pass through count */ WARN_ON(atomic_dec_if_positive(&edev->pe->pass_dev_cnt) < 0); eeh_pe_change_owner(edev->pe); -out: - mutex_unlock(&eeh_dev_mutex); } EXPORT_SYMBOL(eeh_dev_release); |