Re: [PATCH] bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq
From: Leon Romanovsky
Date: Thu May 09 2024 - 05:00:20 EST
On Tue, 07 May 2024 12:39:28 +0200, Michal Schmidt wrote:
> Undefined behavior is triggered when bnxt_qplib_alloc_init_hwq is called
> with hwq_attr->aux_depth != 0 and hwq_attr->aux_stride == 0.
> In that case, "roundup_pow_of_two(hwq_attr->aux_stride)" gets called.
> roundup_pow_of_two is documented as undefined for 0.
>
> Fix it in the one caller that had this combination.
>
> [...]
Applied, thanks!
[1/1] bnxt_re: avoid shift undefined behavior in bnxt_qplib_alloc_init_hwq
https://git.kernel.org/rdma/rdma/c/78cfd17142ef70
Best regards,
--
Leon Romanovsky <leon@xxxxxxxxxx>