Re: [Xen-devel] [PATCH] x86/hvm: avoid potential NULL pointer dereferences

[Andrew Cooper <andrew.cooper3@xxxxxxxxxx>]

On 10/07/15 14:45, Paul Durrant wrote:
> Coverity flagged that hvm_next_io_handler() will return NULL after
> calling domain_crash() and this will then lead to NULL pointer
> dereferences in calling functions.
>
> This patch checks for NULL in the callers and bails in that case.
>
> Signed-off-by: Paul Durrant <paul.durrant@xxxxxxxxxx>
> Cc: Keir Fraser <keir@xxxxxxx>
> Cc: Jan Beulich <jbeulich@xxxxxxxx>
> Cc: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

Reviewed-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx>

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