drivers/serial/pty.c: Fix coverity issue #9305
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Coverity report that `ntotal` may be a negative value. Signed-off-by: Huang Qi <huangqi3@xiaomi.com>
xiaoxiang781216
approved these changes
May 17, 2023
jerpelea
approved these changes
May 17, 2023
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Summary
Coverity report that
ntotalmay be a negative value.Impact
Minor
Testing
sim and CI