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| author | Richard Hughes <richard@hughsie.com> | 2022-04-13 14:14:07 +0100 |
|---|---|---|
| committer | Richard Hughes <richard@hughsie.com> | 2022-04-13 14:14:07 +0100 |
| commit | 972653e6ebde446ca2cf1d1fa8cf2bc1665becde (patch) | |
| tree | 8352f116d8c79807b0a9efaaa2a96045313c55bf | |
| parent | f0eba69e35254c262bbcec8511faa47d952ef99c (diff) | |
| download | colord-972653e6ebde446ca2cf1d1fa8cf2bc1665becde.tar.gz | |
huey: Fix potential crash when reading from broken hardware
| -rw-r--r-- | src/sensors/huey/huey-ctx.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/sensors/huey/huey-ctx.c b/src/sensors/huey/huey-ctx.c index fa9052e..09f83ea 100644 --- a/src/sensors/huey/huey-ctx.c +++ b/src/sensors/huey/huey-ctx.c @@ -309,9 +309,12 @@ huey_ctx_take_sample (HueyCtx *ctx, CdSensorCap cap, GError **error) color_native.R, color_native.G, color_native.B); /* try to fill the 16 bit register for accuracy */ - multiplier.R = HUEY_POLL_FREQUENCY / color_native.R; - multiplier.G = HUEY_POLL_FREQUENCY / color_native.G; - multiplier.B = HUEY_POLL_FREQUENCY / color_native.B; + if (color_native.R != 0) + multiplier.R = HUEY_POLL_FREQUENCY / color_native.R; + if (color_native.G != 0) + multiplier.G = HUEY_POLL_FREQUENCY / color_native.G; + if (color_native.B != 0) + multiplier.B = HUEY_POLL_FREQUENCY / color_native.B; /* don't allow a value of zero */ if (multiplier.R == 0) |