V4L/DVB: gspca - t613: Check the result of kmalloc

Signed-off-by: Jean-François Moine <moinejf@free.fr>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 11 insertions, 2 deletions

diff --git a/drivers/media/video/gspca/t613.c b/drivers/media/video/gspca/t613.c
index 668a7536af90..8c7dadef8211 100644
--- a/drivers/media/video/gspca/t613.c
+++ b/drivers/media/video/gspca/t613.c
@@ -523,6 +523,10 @@ static void reg_w_buf(struct gspca_dev *gspca_dev,
                 u8 *tmpbuf;
 
                 tmpbuf = kmalloc(len, GFP_KERNEL);
+                if (!tmpbuf) {
+                        err("Out of memory");
+                        return;
+                }
                 memcpy(tmpbuf, buffer, len);
                 usb_control_msg(gspca_dev->dev,
                                 usb_sndctrlpipe(gspca_dev->dev, 0),
@@ -542,10 +546,15 @@ static void reg_w_ixbuf(struct gspca_dev *gspca_dev,
         int i;
         u8 *p, *tmpbuf;
 
-        if (len * 2 <= USB_BUF_SZ)
+        if (len * 2 <= USB_BUF_SZ) {
                 p = tmpbuf = gspca_dev->usb_buf;
-        else
+        } else {
                 p = tmpbuf = kmalloc(len * 2, GFP_KERNEL);
+                if (!tmpbuf) {
+                        err("Out of memory");
+                        return;
+                }
+        }
         i = len;
         while (--i >= 0) {
                 *p++ = reg++;