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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/musb/blackfin.c
parentb8a3efa3a363720687d21228d6b23b988a223bbb (diff)
downloadlinux-ded017ee6c7b90f7356bd8488f8af1c10ba90490.tar.bz2
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/musb/blackfin.c')
-rw-r--r--drivers/usb/musb/blackfin.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 452940986d6d..428e6aa3e78a 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -15,6 +15,7 @@
#include <linux/list.h>
#include <linux/gpio.h>
#include <linux/io.h>
+#include <linux/err.h>
#include <linux/platform_device.h>
#include <linux/dma-mapping.h>
#include <linux/prefetch.h>
@@ -416,7 +417,7 @@ static int bfin_musb_init(struct musb *musb)
usb_nop_xceiv_register();
musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
- if (!musb->xceiv) {
+ if (IS_ERR_OR_NULL(musb->xceiv)) {
gpio_free(musb->config->gpio_vrsel);
return -ENODEV;
}