V4L/DVB (4738): Bt8xx/dvb-bt8xx.c: check kmalloc() return value.

Check the return value of kmalloc() in function frontend_init(), 
in file drivers/media/dvb/bt8xx/dvb-bt8xx.c.

Signed-off-by: Amit Choudhary <amit2030@gmail.com>
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

1 files changed, 4 insertions, 0 deletions

diff --git a/drivers/media/dvb/bt8xx/dvb-bt8xx.c b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
index fb6c4cc8477d..14e69a736eda 100644
--- a/drivers/media/dvb/bt8xx/dvb-bt8xx.c
+++ b/drivers/media/dvb/bt8xx/dvb-bt8xx.c
@@ -665,6 +665,10 @@ static void frontend_init(struct dvb_bt8xx_card *card, u32 type)
         case BTTV_BOARD_TWINHAN_DST:
                 /*      DST is not a frontend driver !!!                */
                 state = (struct dst_state *) kmalloc(sizeof (struct dst_state), GFP_KERNEL);
+                if (!state) {
+                        printk("dvb_bt8xx: No memory\n");
+                        break;
+                }
                 /*      Setup the Card                                  */
                 state->config = &dst_config;
                 state->i2c = card->i2c_adapter;