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(parent: 150d6bd) | patch
sfc: check for NULL efx->ptp_data in efx_ptp_event
authorEdward Cree <ecree@solarflare.com>
Tue, 25 Feb 2014 13:17:59 +0000 (13:17 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Mon, 24 Mar 2014 04:38:10 +0000 (21:38 -0700)
commit43800d3eeded6b9016fd16b18cbc62154a3ec31e
tree2c624bdfd45a173a0117e2c249c80ba19670b9datree | snapshot
parent150d6bdb9d2c1bbdf95ba9502c35b5f4ddc4bd7ecommit | diff
sfc: check for NULL efx->ptp_data in efx_ptp_event

[ Upstream commit 8f355e5cee63c2c0c145d8206c4245d0189f47ff ]

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: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/net/ethernet/sfc/ptp.c diff | blob | history
kernel
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