diff options
Diffstat (limited to 'drivers/media/common/v4l2-tpg/v4l2-tpg-core.c')
| -rw-r--r-- | drivers/media/common/v4l2-tpg/v4l2-tpg-core.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c index 642c48e8c1f5..ded11cd8dbf7 100644 --- a/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c +++ b/drivers/media/common/v4l2-tpg/v4l2-tpg-core.c @@ -1795,6 +1795,9 @@ static void tpg_precalculate_line(struct tpg_data *tpg) unsigned p; unsigned x; + if (WARN_ON_ONCE(!tpg->src_width || !tpg->scaled_width)) + return; + switch (tpg->pattern) { case TPG_PAT_GREEN: contrast = TPG_COLOR_100_RED; |