[PATCH] net: mana: Fix memory leak in mana_hwc_create_wq

[Dexuan Cui]

> From: José Expósito <jose.exposito89 at gmail.com>
> Sent: Wednesday, December 8, 2021 2:37 PM
> 
> If allocating the DMA buffer fails, mana_hwc_destroy_wq was called
> without previously storing the pointer to the queue.
> 
> In order to avoid leaking the pointer to the queue, store it as soon as
> it is allocated.
> 
> Addresses-Coverity-ID: 1484720 ("Resource leak")
> Signed-off-by: José Expósito <jose.exposito89 at gmail.com>

Reviewed-by: Dexuan Cui <decui at microsoft.com>