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authorLinus Walleij <linus.walleij@linaro.org>2014-03-14 13:26:45 +0400
committerLinus Walleij <linus.walleij@linaro.org>2014-03-14 13:26:45 +0400
commit9e294427f6e427dbaf46140303acded06365f53c (patch)
tree0669100cbd79fe8612463900171c98873d8dc454 /drivers/net/ethernet/sfc/ptp.c
parent23600969ff137cf4c3bc9098f77e381de334e3f7 (diff)
parentfa389e220254c69ffae0d403eac4146171062d08 (diff)
downloadlinux-9e294427f6e427dbaf46140303acded06365f53c.tar.xz
Merge tag 'v3.14-rc6' into devel
Linux 3.14-rc6
Diffstat (limited to 'drivers/net/ethernet/sfc/ptp.c')
-rw-r--r--drivers/net/ethernet/sfc/ptp.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c
index eb75fbd11a01..d7a36829649a 100644
--- a/drivers/net/ethernet/sfc/ptp.c
+++ b/drivers/net/ethernet/sfc/ptp.c
@@ -1668,6 +1668,13 @@ void efx_ptp_event(struct efx_nic *efx, efx_qword_t *ev)
struct efx_ptp_data *ptp = efx->ptp_data;
int code = EFX_QWORD_FIELD(*ev, MCDI_EVENT_CODE);
+ if (!ptp) {
+ if (net_ratelimit())
+ netif_warn(efx, drv, efx->net_dev,
+ "Received PTP event but PTP not set up\n");
+ return;
+ }
+
if (!ptp->enabled)
return;