Messages in this thread Patch in this message | | | From | Kumar Amit Mehta <> | Subject | [PATCH] ethernet: neterion: vxge: vxge-traffic.c: fix for a potential NULL pointer dereference | Date | Sat, 16 Feb 2013 09:56:34 -0800 |
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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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