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Subject: edid-decode: fail if there are no SVDs in the Data Block Author: Hans Verkuil <hverk...@xs4all.nl> Date: Fri Apr 11 10:09:02 2025 +0200 Fail if the Data Block has no SVDs (i.e. it is empty). Signed-off-by: Hans Verkuil <hverk...@xs4all.nl> utils/edid-decode/parse-cta-block.cpp | 2 ++ 1 file changed, 2 insertions(+) --- http://git.linuxtv.org/cgit.cgi/v4l-utils.git/commit/?id=deb6ea2a7d0ede81e4f2693eec0030e5466cd8ad diff --git a/utils/edid-decode/parse-cta-block.cpp b/utils/edid-decode/parse-cta-block.cpp index 847bb1fcba80..4817afcf96c2 100644 --- a/utils/edid-decode/parse-cta-block.cpp +++ b/utils/edid-decode/parse-cta-block.cpp @@ -581,6 +581,8 @@ void edid_state::cta_svd(const unsigned char *x, unsigned n, bool for_ycbcr420) bool have_vics_5_and_up = false; unsigned i; + if (!n) + fail("This Data Block is empty.\n"); for (i = 0; i < n; i++) { const struct timings *t = NULL; unsigned char svd = x[i];
