From: Chris Ball <cjb@laptop.org>
Date: Fri, 27 May 2011 03:15:49 +0000 (-0400)
Subject: mmc: vub300: fix null dereferences in error handling
X-Git-Tag: 2.1b_release~3480^2~15
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c44048dea28b3febd38417f36f7b2924d93f9bb2;p=platform%2Fkernel%2Fkernel-mfld-blackbay.git

mmc: vub300: fix null dereferences in error handling

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
---

diff --git a/drivers/mmc/host/vub300.c b/drivers/mmc/host/vub300.c
index cbb0330..d4455ff 100644
--- a/drivers/mmc/host/vub300.c
+++ b/drivers/mmc/host/vub300.c
@@ -2096,7 +2096,7 @@ static struct mmc_host_ops vub300_mmc_ops = {
 static int vub300_probe(struct usb_interface *interface,
 			const struct usb_device_id *id)
 {				/* NOT irq */
-	struct vub300_mmc_host *vub300 = NULL;
+	struct vub300_mmc_host *vub300;
 	struct usb_host_interface *iface_desc;
 	struct usb_device *udev = usb_get_dev(interface_to_usbdev(interface));
 	int i;
@@ -2118,23 +2118,20 @@ static int vub300_probe(struct usb_interface *interface,
 	command_out_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!command_out_urb) {
 		retval = -ENOMEM;
-		dev_err(&vub300->udev->dev,
-			"not enough memory for the command_out_urb\n");
+		dev_err(&udev->dev, "not enough memory for command_out_urb\n");
 		goto error0;
 	}
 	command_res_urb = usb_alloc_urb(0, GFP_KERNEL);
 	if (!command_res_urb) {
 		retval = -ENOMEM;
-		dev_err(&vub300->udev->dev,
-			"not enough memory for the command_res_urb\n");
+		dev_err(&udev->dev, "not enough memory for command_res_urb\n");
 		goto error1;
 	}
 	/* this also allocates memory for our VUB300 mmc host device */
 	mmc = mmc_alloc_host(sizeof(struct vub300_mmc_host), &udev->dev);
 	if (!mmc) {
 		retval = -ENOMEM;
-		dev_err(&vub300->udev->dev,
-			"not enough memory for the mmc_host\n");
+		dev_err(&udev->dev, "not enough memory for the mmc_host\n");
 		goto error4;
 	}
 	/* MMC core transfer sizes tunable parameters */