netdev - Re: [PATCH] net: core: dev: Initialise napi state correctly

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Message-Id: <20190122.143806.797408195853155408.davem@davemloft.net>
Date:   Tue, 22 Jan 2019 14:38:06 -0800 (PST)
From:   David Miller <davem@...emloft.net>
To:     mckay.david@...il.com
Cc:     netdev@...r.kernel.org
Subject: Re: [PATCH] net: core: dev: Initialise napi state correctly

From: Dave McKay <mckay.david@...il.com>
Date: Fri, 18 Jan 2019 12:46:32 +0000

> The state member of the napi_struct is not initialised correctly, it
> sets the SCHED bit without initialising the state to zero first. This
> results in peculiar behaviour if the original napi_struct didn't come
> from a zero initialised region to start with.
> 
> This patch just sets it directly using the appropriate bitfield
> constant.
> 
> Signed-off-by: Dave McKay <mckay.david@...il.com>

Caller needs to pass in properly initialized memory, that means
bzero()'d.