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dce507356a
The unwritten assumption of this code is that both events->head and events->tail are NULL together (an empty list) or they aren't. So the code was testing events->head for nullness and using that as a cue to deference events->tail, which annoys the Svace static code analyzer. We can silence it by testing events->tail member instead, and add an assertion about events->head to ensure it's all consistent. This code is very old and as far as we know, there's never been a bug report related to this, so there's no need to backpatch. This was found by the ALT Linux Team using Svace. Author: Alexander Kuznetsov <kuznetsovam@altlinux.org> Discussion: https://postgr.es/m/6d0323c3-3f5d-4137-af73-98a5ab90e77c@altlinux.org |
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