[PATCH][next] powerpc/powernv/sriov: perform null check on iov before dereferencing iov

[Michael Ellerman]

On Thu, 08 Jun 2023 10:58:49 +0100, Colin Ian King wrote:
> Currently pointer iov is being dereferenced before the null check of iov
> which can lead to null pointer dereference errors. Fix this by moving the
> iov null check before the dereferencing.
> 
> Detected using cppcheck static analysis:
> linux/arch/powerpc/platforms/powernv/pci-sriov.c:597:12: warning: Either
> the condition '!iov' is redundant or there is possible null pointer
> dereference: iov. [nullPointerRedundantCheck]
>  num_vfs = iov->num_vfs;
>            ^
> 
> [...]

Applied to powerpc/next.

[1/1] powerpc/powernv/sriov: perform null check on iov before dereferencing iov
      https://git.kernel.org/powerpc/c/f4f913c980bc6abe0ccfe88fe3909c125afe4a2d

cheers