[dpdk-dev] [PATCH v2] raw/ioat: fix queue index calculation

Thomas Monjalon thomas at monjalon.net
Fri Nov 13 15:32:23 CET 2020


05/11/2020 11:41, Bruce Richardson:
> Coverity flags a possible problem where the 8-bit wq_idx value may have
> errors when shifted and sign-extended to pointer size. Since this can
> only occur if the shift index is larger than any expected value from
> hardware, it's unlikely to cause any real problems, but we can eliminate
> any possible errors, and the coverity issue, by explicitly typecasting
> the uint8_t value to uintptr_t before any shift operations occur.
> 
> Coverity issue: 363695
> Fixes: a33969462135 ("raw/ioat: fix work-queue config size")
> 
> Signed-off-by: Bruce Richardson <bruce.richardson at intel.com>

Applied, thanks




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