Messages in this thread | | | Subject | Re: [PATCH] net: stmmac: Avoid VLA usage | From | Jose Abreu <> | Date | Wed, 2 May 2018 09:54:36 +0100 |
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Hi Kees,
On 01-05-2018 22:01, Kees Cook wrote: > In the quest to remove all stack VLAs from the kernel[1], this switches > the "status" stack buffer to use the existing small (8) upper bound on > how many queues can be checked for DMA, and adds a sanity-check just to > make sure it doesn't operate under pathological conditions. > > [1] https://urldefense.proofpoint.com/v2/url?u=http-3A__lkml.kernel.org_r_CA-2B55aFzCG-2DzNmZwX4A2FQpadafLfEzK6CC-3DqPXydAacU1RqZWA-40mail.gmail.com&d=DwIBAg&c=DPL6_X_6JkXFx7AXWqB0tg&r=WHDsc6kcWAl4i96Vm5hJ_19IJiuxx_p_Rzo2g-uHDKw&m=TBD6a7UY2VbpPmV9LOW_eHAyg8uPq1ZPDhq93VROTVE&s=4fvOST1HhWmZ4lThQe-dHCJYEXNOwey00BCXOWm8tKo&e= > > Signed-off-by: Kees Cook <keescook@chromium.org> >
I rather prefer the variables declaration in reverse-tree order, but thats just a minor pick.
Reviewed-by: Jose Abreu <joabreu@synopsys.com>
Thanks and Best Regards, Jose Miguel Abreu
PS: Is VLA warning switch in gcc already active? Because I didn't see this warning in my builds.
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