usb: phy: fix return value check of usb_get_phy
usb_get_phy will return -ENODEV if it's not able to find the phy. Hence
fixed all the callers of usb_get_phy to check for this error condition
instead of relying on a non-zero value as success condition.
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/host/ohci-omap.c b/drivers/usb/host/ohci-omap.c
index 92a77df..c7b06f5 100644
--- a/drivers/usb/host/ohci-omap.c
+++ b/drivers/usb/host/ohci-omap.c
@@ -18,6 +18,7 @@
#include <linux/jiffies.h>
#include <linux/platform_device.h>
#include <linux/clk.h>
+#include <linux/err.h>
#include <linux/gpio.h>
#include <mach/hardware.h>
@@ -212,7 +213,7 @@
#ifdef CONFIG_USB_OTG
if (need_transceiver) {
ohci->transceiver = usb_get_phy(USB_PHY_TYPE_USB2);
- if (ohci->transceiver) {
+ if (!IS_ERR_OR_NULL(ohci->transceiver)) {
int status = otg_set_host(ohci->transceiver->otg,
&ohci_to_hcd(ohci)->self);
dev_dbg(hcd->self.controller, "init %s transceiver, status %d\n",
@@ -403,7 +404,7 @@
struct ohci_hcd *ohci = hcd_to_ohci (hcd);
usb_remove_hcd(hcd);
- if (ohci->transceiver) {
+ if (!IS_ERR_OR_NULL(ohci->transceiver)) {
(void) otg_set_host(ohci->transceiver->otg, 0);
usb_put_phy(ohci->transceiver);
}