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[03/18] PCI: endpoint: pci-epf-core: Make ->remove() callback optional

Message ID 20170818145810.17649-4-kishon@ti.com (mailing list archive)
State New, archived
Delegated to: Bjorn Helgaas
Headers show

Commit Message

Kishon Vijay Abraham I Aug. 18, 2017, 2:57 p.m. UTC
Make ->remove() callback optional so that endpoint function drivers
don't have to populate empty ->remove() callback functions.

Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
---
 drivers/pci/endpoint/pci-epf-core.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
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Patch

diff --git a/drivers/pci/endpoint/pci-epf-core.c b/drivers/pci/endpoint/pci-epf-core.c
index 60ea0c51161e..ae6fac5995e3 100644
--- a/drivers/pci/endpoint/pci-epf-core.c
+++ b/drivers/pci/endpoint/pci-epf-core.c
@@ -333,11 +333,12 @@  static int pci_epf_device_probe(struct device *dev)
 
 static int pci_epf_device_remove(struct device *dev)
 {
-	int ret;
+	int ret = 0;
 	struct pci_epf *epf = to_pci_epf(dev);
 	struct pci_epf_driver *driver = to_pci_epf_driver(dev->driver);
 
-	ret = driver->remove(epf);
+	if (driver->remove)
+		ret = driver->remove(epf);
 	epf->driver = NULL;
 
 	return ret;