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| author | Guido Kiener <guido.kiener@rohde-schwarz.com> | 2018-09-25 01:30:29 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-28 15:12:08 +0200 |
| commit | 100f2cdeadffb3e63121d1d59a60a9882258c415 (patch) | |
| tree | d63c1b075ce7ced0c363537d0bdf181357fd2877 /drivers/usb/class | |
| parent | 4d2a863fe9b952d7147bd169d54062e71f343415 (diff) | |
| download | blackbird-obmc-linux-100f2cdeadffb3e63121d1d59a60a9882258c415.tar.gz blackbird-obmc-linux-100f2cdeadffb3e63121d1d59a60a9882258c415.zip | |
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 <guido.kiener@rohde-schwarz.com>
Fixes: 658f24f4523e ("usb: usbtmc: Add ioctl for generic requests on control")
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
| -rw-r--r-- | drivers/usb/class/usbtmc.c | 4 |
1 files changed, 0 insertions, 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; |
