Signed-off-by: Kuninori Morimoto <morimoto.kunin...@renesas.com> --- drivers/media/video/ov772x.c | 5 ++++- 1 files changed, 4 insertions(+), 1 deletions(-)
diff --git a/drivers/media/video/ov772x.c b/drivers/media/video/ov772x.c index b75420d..c8e10d3 100644 --- a/drivers/media/video/ov772x.c +++ b/drivers/media/video/ov772x.c @@ -566,8 +566,11 @@ static int ov772x_mask_set(struct i2c_client *client, u8 set) { s32 val = i2c_smbus_read_byte_data(client, command); + if (val < 0) + return val; + val &= ~mask; - val |= set; + val |= (set & mask); return i2c_smbus_write_byte_data(client, command, val); } -- 1.5.6.3 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html