Re: [PATCH] octeontx2-af: fix uninitialized variable

From: Nick Desaulniers
Date: Mon Sep 20 2021 - 22:05:35 EST


On Mon, Sep 20, 2021 at 9:54 AM <trix@xxxxxxxxxx> wrote:
>
> From: Tom Rix <trix@xxxxxxxxxx>
>
> Building with clang 13 reports this error
> rvu_nix.c:4600:7: error: variable 'val' is used uninitialized whenever
> 'if' condition is false
> if (!is_rvu_otx2(rvu))
> ^~~~~~~~~~~~~~~~~
>
> So initialize val.
>
> Fixes: 4b5a3ab17c6c ("octeontx2-af: Hardware configuration for inline IPsec")
> Signed-off-by: Tom Rix <trix@xxxxxxxxxx>

Thanks for the patch, but it looks like Colin beat you to the punch.
In linux-next, I see:
commit d853f1d3c900 ("octeontx2-af: Fix uninitialized variable val")

> ---
> drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
> index ea3e03fa55d45c..70431db866b328 100644
> --- a/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
> +++ b/drivers/net/ethernet/marvell/octeontx2/af/rvu_nix.c
> @@ -4592,7 +4592,7 @@ static void nix_inline_ipsec_cfg(struct rvu *rvu, struct nix_inline_ipsec_cfg *r
> int blkaddr)
> {
> u8 cpt_idx, cpt_blkaddr;
> - u64 val;
> + u64 val = 0;
>
> cpt_idx = (blkaddr == BLKADDR_NIX0) ? 0 : 1;
> if (req->enable) {
> --
> 2.26.3
>


--
Thanks,
~Nick Desaulniers