From 100f2cdeadffb3e63121d1d59a60a9882258c415 Mon Sep 17 00:00:00 2001 From: Guido Kiener Date: Tue, 25 Sep 2018 01:30:29 +0200 Subject: [PATCH] usb: usbtmc: Fix memory leak in usbtmc_ioctl_request Kernel memory is allocated twice in new function usbtmc_ioctl_request and creates a memory leak. This fix removes the superfluous kmalloc(). Signed-off-by: Guido Kiener Fixes: 658f24f4523e ("usb: usbtmc: Add ioctl for generic requests on control") Signed-off-by: Greg Kroah-Hartman --- drivers/usb/class/usbtmc.c | 4 ---- 1 file changed, 4 deletions(-) diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c index 0fcb81a1399b..dfbcf418dad7 100644 --- a/drivers/usb/class/usbtmc.c +++ b/drivers/usb/class/usbtmc.c @@ -1895,10 +1895,6 @@ static int usbtmc_ioctl_request(struct usbtmc_device_data *data, if (res) return -EFAULT; - buffer = kmalloc(request.req.wLength, GFP_KERNEL); - if (!buffer) - return -ENOMEM; - if (request.req.wLength > USBTMC_BUFSIZE) return -EMSGSIZE; -- 2.49.0