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Subject[PATCH] ethernet: neterion: vxge: vxge-traffic.c: fix for a potential NULL pointer dereference
Date
fix for a potential NULL pointer dereference and removal of a redundant
assignment operation. Found using smatch.

Signed-off-by: Kumar Amit Mehta <gmate.amit@gmail.com>
---
drivers/net/ethernet/neterion/vxge/vxge-traffic.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
index 99749bd..adb05a8 100644
--- a/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
+++ b/drivers/net/ethernet/neterion/vxge/vxge-traffic.c
@@ -611,11 +611,8 @@ __vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath,
struct vxge_hw_vpath_stats_sw_info *sw_stats;
struct vxge_hw_vpath_reg __iomem *vp_reg;

- if (vpath == NULL) {
- alarm_event = VXGE_HW_SET_LEVEL(VXGE_HW_EVENT_UNKNOWN,
- alarm_event);
+ if (vpath == NULL)
goto out2;
- }

hldev = vpath->hldev;
vp_reg = vpath->vp_reg;
@@ -852,13 +849,12 @@ __vxge_hw_vpath_alarm_process(struct __vxge_hw_virtualpath *vpath,
}
out:
hldev->stats.sw_dev_err_stats.vpath_alarms++;
+ __vxge_hw_device_handle_error(hldev, vpath->vp_id, alarm_event);
out2:
if ((alarm_event == VXGE_HW_EVENT_ALARM_CLEARED) ||
(alarm_event == VXGE_HW_EVENT_UNKNOWN))
return VXGE_HW_OK;

- __vxge_hw_device_handle_error(hldev, vpath->vp_id, alarm_event);
-
if (alarm_event == VXGE_HW_EVENT_SERR)
return VXGE_HW_ERR_CRITICAL;

--
1.7.9.5


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