Re: [PATCH v2] VMCI: Fix NULL pointer dereference on context ptr

[Greg Kroah-Hartman]

On Mon, Mar 23, 2020 at 04:22:33PM +0800, Xiyu Yang wrote:
> A NULL vmci_ctx object may pass to vmci_ctx_put() from its callers.

Are you sure this can happen?

> Add a NULL check to prevent NULL pointer dereference.
> 
> Signed-off-by: Xiyu Yang <xiyuyang19@xxxxxxxxxxxx>
> Signed-off-by: Xin Tan <tanxin.ctf@xxxxxxxxx>
> ---
>  drivers/misc/vmw_vmci/vmci_context.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)

What changed from v1?

Always put that below the --- line.

Please fix up and send a v3.

thanks,

greg k-h