usb: chipidea: usb2: check memory allocation failure

Check memory allocation failure and return -ENOMEM in such a case, as
already done few lines below for another memory allocation.

Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c
index d162cc0bb8ceae29edfa1498ef766a8cafaae775..99425db9ba62b20beda2c08c0cd2e49639c87e52 100644 (file)
--- a/drivers/usb/chipidea/ci_hdrc_usb2.c
+++ b/drivers/usb/chipidea/ci_hdrc_usb2.c
@@ -52,6 +52,8 @@ static int ci_hdrc_usb2_probe(struct platform_device *pdev)
 
        if (!ci_pdata) {
                ci_pdata = devm_kmalloc(dev, sizeof(*ci_pdata), GFP_KERNEL);
+               if (!ci_pdata)
+                       return -ENOMEM;
                *ci_pdata = ci_default_pdata;   /* struct copy */
        }