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authorJacob Keller <jacob.e.keller@intel.com>2012-10-13 05:00:06 +0000
committerJeff Kirsher <jeffrey.t.kirsher@intel.com>2012-11-01 01:41:54 -0700
commit3645adbbab4329dd83a41674a56bf4afcdcc5914 (patch)
tree0c60ec642ce7440b2e05d60dfcc66c7e2362dc7a
parent810b6d7638a288216f99bd190470d67061c8bd88 (diff)
downloadlinux-3645adbbab4329dd83a41674a56bf4afcdcc5914.tar.bz2
ixgbe: fix uninitialized event.type in ixgbe_ptp_check_pps_event
This patch fixes a bug in ixgbe_ptp_check_pps_event where the type was uninitialized and could cause unknown event outcomes. Signed-off-by: Jacob Keller <jacob.e.keller@intel.com> Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
-rw-r--r--drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
index 842ba15550a5..01d99af0b9ba 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_ptp.c
@@ -387,6 +387,15 @@ void ixgbe_ptp_check_pps_event(struct ixgbe_adapter *adapter, u32 eicr)
struct ixgbe_hw *hw = &adapter->hw;
struct ptp_clock_event event;
+ event.type = PTP_CLOCK_PPS;
+
+ /* this check is necessary in case the interrupt was enabled via some
+ * alternative means (ex. debug_fs). Better to check here than
+ * everywhere that calls this function.
+ */
+ if (!adapter->ptp_clock)
+ return;
+
switch (hw->mac.type) {
case ixgbe_mac_X540:
ptp_clock_event(adapter->ptp_clock, &event);