Commit a6db592e authored by Michael Hund's avatar Michael Hund Committed by Linus Torvalds
Browse files

[PATCH] USB: ldusb fixes 



below you will find the forgotten kmalloc check (sorry).

Signed-off-by: default avatarMichael Hund <mhund@ld-didactic.de>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 86d30741

drivers/usb/misc/ldusb.c

+6 −1
Original line number Diff line number Diff line
@@ -23,6 +23,7 @@ 
 *

 * V0.1  (mh) Initial version

 * V0.11 (mh) Added raw support for HID 1.0 devices (no interrupt out endpoint)

 * V0.12 (mh) Added kmalloc check for string buffer

 */



#include <linux/config.h>
@@ -84,7 +85,7 @@ static struct usb_device_id ld_usb_table [] = { 
	{ }					/* Terminating entry */

};

MODULE_DEVICE_TABLE(usb, ld_usb_table);

MODULE_VERSION("V0.11");

MODULE_VERSION("V0.12");

MODULE_AUTHOR("Michael Hund <mhund@ld-didactic.de>");

MODULE_DESCRIPTION("LD USB Driver");

MODULE_LICENSE("GPL");
@@ -635,6 +636,10 @@ static int ld_usb_probe(struct usb_interface *intf, const struct usb_device_id * 
	     (le16_to_cpu(udev->descriptor.idProduct) == USB_DEVICE_ID_COM3LAB)) &&

	    (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x103)) {

		buffer = kmalloc(256, GFP_KERNEL);

		if (buffer == NULL) {

			dev_err(&intf->dev, "Couldn't allocate string buffer\n");

			goto error;

		}

		/* usb_string makes SETUP+STALL to leave always ControlReadLoop */

		usb_string(udev, 255, buffer, 256);

		kfree(buffer);