Message ID | 20171110164628.3763522-1-arnd@arndb.de |
---|---|
State | Accepted |
Commit | 41e33085284dd2bc6b6180d8381ff8a509b9d8ba |
Headers | show |
Series | [media] vivid: print time in y2038-safe way | expand |
diff --git a/drivers/media/platform/vivid/vivid-rds-gen.c b/drivers/media/platform/vivid/vivid-rds-gen.c index 53c7777dc001..996e35e28d37 100644 --- a/drivers/media/platform/vivid/vivid-rds-gen.c +++ b/drivers/media/platform/vivid/vivid-rds-gen.c @@ -103,7 +103,7 @@ void vivid_rds_generate(struct vivid_rds_gen *rds) * EN 50067:1998 to convert a UTC date to an RDS Modified * Julian Day. */ - time_to_tm(get_seconds(), 0, &tm); + time64_to_tm(ktime_get_real_seconds(), 0, &tm); l = tm.tm_mon <= 1; date = 14956 + tm.tm_mday + ((tm.tm_year - l) * 1461) / 4 + ((tm.tm_mon + 2 + l * 12) * 306001) / 10000; diff --git a/drivers/media/platform/vivid/vivid-vbi-gen.c b/drivers/media/platform/vivid/vivid-vbi-gen.c index a2159de83d0b..02c79d7cedab 100644 --- a/drivers/media/platform/vivid/vivid-vbi-gen.c +++ b/drivers/media/platform/vivid/vivid-vbi-gen.c @@ -190,7 +190,7 @@ static void vivid_vbi_gen_set_time_of_day(u8 *packet) struct tm tm; u8 checksum, i; - time_to_tm(get_seconds(), 0, &tm); + time64_to_tm(ktime_get_real_seconds(), 0, &tm); packet[0] = calc_parity(0x07); packet[1] = calc_parity(0x01); packet[2] = calc_parity(0x40 | tm.tm_min);
time_to_tm() takes a time_t value that overflows in 2038 on 32-bit systems. time64_to_tm() doesn't have this problem, so let's use that in combination with ktime_get_real_seconds() to read a 64-bit time value. Signed-off-by: Arnd Bergmann <arnd@arndb.de> --- drivers/media/platform/vivid/vivid-rds-gen.c | 2 +- drivers/media/platform/vivid/vivid-vbi-gen.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) -- 2.9.0