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Edward Cree authored
[ Upstream commit 8f355e5c ] If we receive a PTP event from the NIC when we haven't set up PTP state in the driver, we attempt to read through a NULL pointer efx->ptp_data, triggering a panic. Signed-off-by: Edward Cree <ecree@solarflare.com> Acked-by: Shradha Shah <sshah@solarflare.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jiri Slaby <jslaby@suse.cz>
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