[v2,1/2] ov772x: bit mask operation fix on ov772x_mask_set.
Commit Message
Signed-off-by: Kuninori Morimoto <morimoto.kuninori@renesas.com>
---
v1 -> v2
remove superfluous parenthesis.
drivers/media/video/ov772x.c | 5 ++++-
1 files changed, 4 insertions(+), 1 deletions(-)
@@ -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);
}