Re: [PATCH] sis5513: fix potential use after free

On Wed, Nov 28, 2018 at 08:55:26AM +0800, Pan Bian wrote:

The function sis_find_family drops lpc_bridge reference via pci_dev_put,
however, after that, field lpc_bridge->revision is read. This may result
in a use after free bug. The patch moves the put operation after the
condition check.

Signed-off-by: Pan Bian <redacted>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>