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| author | Niklas Schnelle <schnelle@linux.ibm.com> | 2021-08-06 11:28:40 +0300 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2021-08-25 12:03:32 +0300 |
| commit | 02368b7cf6c7badefa13741aed7a8b91d9a11b19 (patch) | |
| tree | 3eef6412102d66db057ec4b5eff56de9d8926f93 /arch/s390 | |
| parent | 7c0eaa78b9cddf56a9b1ae45b6b12bcfb0f34cec (diff) | |
| download | linux-02368b7cf6c7badefa13741aed7a8b91d9a11b19.tar.xz | |
s390/pci: cleanup resources only if necessary
It's currently safe to call zpci_cleanup_bus_resources() even if the
resources were never created but it makes no sense so check
zdev->has_resources before we call zpci_cleanup_bus_resources() in
zpci_release_device().
Reviewed-by: Matthew Rosato <mjrosato@linux.ibm.com>
Acked-by: Pierre Morel <pmorel@linux.ibm.com>
Signed-off-by: Niklas Schnelle <schnelle@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/pci/pci.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/arch/s390/pci/pci.c b/arch/s390/pci/pci.c index a678b9db56e5..67dc5b1379c1 100644 --- a/arch/s390/pci/pci.c +++ b/arch/s390/pci/pci.c @@ -822,7 +822,8 @@ void zpci_release_device(struct kref *kref) case ZPCI_FN_STATE_STANDBY: if (zdev->has_hp_slot) zpci_exit_slot(zdev); - zpci_cleanup_bus_resources(zdev); + if (zdev->has_resources) + zpci_cleanup_bus_resources(zdev); zpci_bus_device_unregister(zdev); zpci_destroy_iommu(zdev); fallthrough; |