i40iw: Add missing NULL check for MPA private data
Add NULL check for pdata and pdata->addr before the memcpy in i40iw_form_cm_frame(). This fixes a NULL pointer de-reference which occurs when the MPA private data pointer is NULL. Also only copy pdata->size bytes in the memcpy to prevent reading past the length of the private data buffer provided by upper layer. Fixes: f27b4746 ("i40iw: add connection management code") Reported-by: Stefan Assmann <sassmann@redhat.com> Signed-off-by: Mustafa Ismail <mustafa.ismail@intel.com> Signed-off-by: Shiraz Saleem <shiraz.saleem@intel.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
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