devres: use to_pci_dev()

Use to_pci_dev() instead of open-coding it.

Signed-off-by: Geliang Tang <geliangtang@163.com>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/lib/devres.c b/lib/devres.c
index 8c85672..cb1464c 100644 (file)
--- a/lib/devres.c
+++ b/lib/devres.c
@@ -236,7 +236,7 @@ struct pcim_iomap_devres {
 
 static void pcim_iomap_release(struct device *gendev, void *res)
 {
-       struct pci_dev *dev = container_of(gendev, struct pci_dev, dev);
+       struct pci_dev *dev = to_pci_dev(gendev);
        struct pcim_iomap_devres *this = res;
        int i;