Signed-off-by: Kuninori Morimoto <morimoto.kunin...@renesas.com>
---
v1 -> v2
remove superfluous parenthesis.

 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 80218d3..7cf4fbe 100644
--- a/drivers/media/video/ov772x.c
+++ b/drivers/media/video/ov772x.c
@@ -565,8 +565,11 @@ 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

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