Re: [PATCH] can: mcp251x: Fix resume from sleep before interface was brought up

[Marc Kleine-Budde]

On 04.05.2021 18:01:48, Schrempf Frieder wrote:
> Since 8ce8c0abcba3 the driver queues work via priv->restart_work when
> resuming after suspend, even when the interface was not previously
> enabled. This causes a null dereference error as the workqueue is
> only allocated and initialized in mcp251x_open().
> 
> To fix this we move the workqueue init to mcp251x_can_probe() as
> there is no reason to do it later and repeat it whenever
> mcp251x_open() is called.
> 
> Fixes: 8ce8c0abcba3 ("can: mcp251x: only reset hardware as required")
> Cc: stable@xxxxxxxxxxxxxxx
> Signed-off-by: Frieder Schrempf <frieder.schrempf@xxxxxxxxxx>

Added to linux-can/testing.

Thanks,
Marc

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