usb: devio: Fixed error: 'do not use assignment in if condition'

This patch fixes error: 'do not use assignment in if condition'
in USB/devio.c.

Signed-off-by: Tülin İzer <tulinizer@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 009bc3f2fde4..47ff9b1c8a37 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1800,7 +1800,8 @@ static int proc_ioctl(struct dev_state *ps, struct usbdevfs_ioctl *ctl)
 
         /* alloc buffer */
         if ((size = _IOC_SIZE(ctl->ioctl_code)) > 0) {
-                if ((buf = kmalloc(size, GFP_KERNEL)) == NULL)
+                buf = kmalloc(size, GFP_KERNEL);
+                if (buf == NULL)
                         return -ENOMEM;
                 if ((_IOC_DIR(ctl->ioctl_code) & _IOC_WRITE)) {
                         if (copy_from_user(buf, ctl->data, size)) {