usb: musb: blackfin: call gpio_free() on error path in musb_platform_init()

Blackfin's musb_platform_init() needs to call gpio_free() for error cleanup iff
otg_get_transceiver() call returns NULL.

Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 3 insertions, 1 deletions

diff --git a/drivers/usb/musb/blackfin.c b/drivers/usb/musb/blackfin.c
index 4fa25553c450..611a9d274363 100644
--- a/drivers/usb/musb/blackfin.c
+++ b/drivers/usb/musb/blackfin.c
@@ -342,8 +342,10 @@ int __init musb_platform_init(struct musb *musb, void *board_data)
 
         usb_nop_xceiv_register();
         musb->xceiv = otg_get_transceiver();
-        if (!musb->xceiv)
+        if (!musb->xceiv) {
+                gpio_free(musb->config->gpio_vrsel);
                 return -ENODEV;
+        }
 
         if (ANOMALY_05000346) {
                 bfin_write_USB_APHY_CALIB(ANOMALY_05000346_value);