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authorKishon Vijay Abraham I <kishon@ti.com>2012-06-26 17:40:32 +0530
committerFelipe Balbi <balbi@ti.com>2012-07-02 10:40:49 +0300
commitded017ee6c7b90f7356bd8488f8af1c10ba90490 (patch)
tree1ed1612aa13f24e1aa8480fb497d2a0311fae9cc /drivers/usb/otg
parentb8a3efa3a363720687d21228d6b23b988a223bbb (diff)
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>
Diffstat (limited to 'drivers/usb/otg')
-rw-r--r--drivers/usb/otg/otg.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/otg/otg.c b/drivers/usb/otg/otg.c
index 0fa4d8c1b1e..88d62b16f63 100644
--- a/drivers/usb/otg/otg.c
+++ b/drivers/usb/otg/otg.c
@@ -67,7 +67,7 @@ struct usb_phy *devm_usb_get_phy(struct device *dev, enum usb_phy_type type)
return NULL;
phy = usb_get_phy(type);
- if (phy) {
+ if (!IS_ERR(phy)) {
*ptr = phy;
devres_add(dev, ptr);
} else
@@ -82,7 +82,7 @@ EXPORT_SYMBOL(devm_usb_get_phy);
* @type - the type of the phy the controller requires
*
* Returns the phy driver, after getting a refcount to it; or
- * null if there is no such phy. The caller is responsible for
+ * -ENODEV if there is no such phy. The caller is responsible for
* calling usb_put_phy() to release that count.
*
* For use by USB host and peripheral drivers.