Messages in this thread | | | Subject | Re: [PATCH 4/14 v3] iwlegacy: Check the return value of pcie_capability_read_*() | From | Kalle Valo <> | Date | Wed, 15 Jul 2020 16:47:52 +0000 (UTC) |
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"Saheed O. Bolarinwa" <refactormyself@gmail.com> wrote:
> From: Bolarinwa Olayemi Saheed <refactormyself@gmail.com> > > On failure pcie_capability_read_dword() sets it's last parameter, val > to 0. However, with Patch 14/14, it is possible that val is set to ~0 on > failure. This would introduce a bug because (x & x) == (~0 & x). > > This bug can be avoided without changing the function's behaviour if the > return value of pcie_capability_read_dword is checked to confirm success. > > Check the return value of pcie_capability_read_dword() to ensure success. > > Suggested-by: Bjorn Helgaas <bjorn@helgaas.com> > Signed-off-by: Bolarinwa Olayemi Saheed <refactormyself@gmail.com>
Patch applied to wireless-drivers-next.git, thanks.
9018fd7f2a73 iwlegacy: Check the return value of pcie_capability_read_*()
-- https://patchwork.kernel.org/patch/11660739/
https://wireless.wiki.kernel.org/en/developers/documentation/submittingpatches
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