media: vivid: remove redundant assignment to variable checksum

Variable checksum is assigned a value that is never read, it is assigned
a new value in a following for-loop. The assignment is redundant and can
be removed.

Cleans up clang scan build warning:
drivers/media/test-drivers/vivid/vivid-vbi-gen.c:197:2: warning: Value
stored to 'checksum' is never read [deadcode.DeadStores]

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

diff --git a/drivers/media/test-drivers/vivid/vivid-vbi-gen.c b/drivers/media/test-drivers/vivid/vivid-vbi-gen.c
index a141369a7a63be28f8c7f609a548779a22db334b..70a4024d461e3a263d8dcac39049d2c843d4cc81 100644 (file)
--- a/drivers/media/test-drivers/vivid/vivid-vbi-gen.c
+++ b/drivers/media/test-drivers/vivid/vivid-vbi-gen.c
@@ -194,7 +194,6 @@ static void vivid_vbi_gen_set_time_of_day(u8 *packet)
        for (checksum = i = 0; i <= 8; i++)
                checksum += packet[i] & 0x7f;
        packet[9] = calc_parity(0x100 - checksum);
-       checksum = 0;
        packet[10] = calc_parity(0x07);
        packet[11] = calc_parity(0x04);
        if (sys_tz.tz_minuteswest >= 0)