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path: root/drivers/media/video/saa7134/saa7134-cards.c
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Diffstat (limited to 'drivers/media/video/saa7134/saa7134-cards.c')
-rw-r--r--drivers/media/video/saa7134/saa7134-cards.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/media/video/saa7134/saa7134-cards.c b/drivers/media/video/saa7134/saa7134-cards.c
index 1b6c7d697f0..bab8498046c 100644
--- a/drivers/media/video/saa7134/saa7134-cards.c
+++ b/drivers/media/video/saa7134/saa7134-cards.c
@@ -5260,12 +5260,13 @@ int saa7134_tuner_callback(void *priv, int command, int arg)
{
struct i2c_algo_bit_data *i2c_algo = priv;
struct saa7134_dev *dev = i2c_algo->data;
-
- switch (dev->tuner_type) {
- case TUNER_PHILIPS_TDA8290:
- return saa7134_tda8290_callback(dev, command, arg);
- case TUNER_XC2028:
- return saa7134_xc2028_callback(dev, command, arg);
+ if (dev != NULL) {
+ switch (dev->tuner_type) {
+ case TUNER_PHILIPS_TDA8290:
+ return saa7134_tda8290_callback(dev, command, arg);
+ case TUNER_XC2028:
+ return saa7134_xc2028_callback(dev, command, arg);
+ }
}
return -EINVAL;
}