Re: [PATCH][next] dpaa2-mac: Fix potential null pointer dereference

From: David Miller
Date: Fri Sep 25 2020 - 20:15:57 EST


From: "Gustavo A. R. Silva" <gustavoars@xxxxxxxxxx>
Date: Fri, 25 Sep 2020 12:03:23 -0500

> There is a null-check for _pcs_, but it is being dereferenced
> prior to this null-check. So, if _pcs_ can actually be null,
> then there is a potential null pointer dereference that should
> be fixed by null-checking _pcs_ before being dereferenced.
>
> Addresses-Coverity-ID: 1497159 ("Dereference before null check")
> Fixes: 94ae899b2096 ("dpaa2-mac: add PCS support through the Lynx module")
> Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx>

Applied, thanks.