[PATCH 2.6 4/5]: remove unneccessary checks for qdisc->dev

[Patrick McHardy <kaber@xxxxxxxxx>]

qdisc->dev is always valid, this patch removes a couple of unneccessary 
checks.

# This is a BitKeeper generated diff -Nru style patch.
#
# ChangeSet
#   2004/08/03 01:28:36+02:00 kaber@xxxxxxxxxxxx 
#   [PKT_SCHED]: remove unneccessary checks for qdisc->dev
#   
#   Signed-off-by: Patrick McHardy <kaber@xxxxxxxxx>
# 
# net/sched/sch_generic.c
#   2004/08/03 01:28:15+02:00 kaber@xxxxxxxxxxxx +1 -2
#   [PKT_SCHED]: remove unneccessary checks for qdisc->dev
# 
# net/sched/sch_api.c
#   2004/08/03 01:28:15+02:00 kaber@xxxxxxxxxxxx +2 -2
#   [PKT_SCHED]: remove unneccessary checks for qdisc->dev
# 
diff -Nru a/net/sched/sch_api.c b/net/sched/sch_api.c
--- a/net/sched/sch_api.c       2004-08-03 01:30:00 +02:00
+++ b/net/sched/sch_api.c       2004-08-03 01:30:00 +02:00
@@ -753,7 +753,7 @@
        nlh->nlmsg_flags = flags;
        tcm = NLMSG_DATA(nlh);
        tcm->tcm_family = AF_UNSPEC;
-       tcm->tcm_ifindex = q->dev ? q->dev->ifindex : 0;
+       tcm->tcm_ifindex = q->dev->ifindex;
        tcm->tcm_parent = clid;
        tcm->tcm_handle = q->handle;
        tcm->tcm_info = atomic_read(&q->refcnt);
@@ -970,7 +970,7 @@
        nlh->nlmsg_flags = flags;
        tcm = NLMSG_DATA(nlh);
        tcm->tcm_family = AF_UNSPEC;
-       tcm->tcm_ifindex = q->dev ? q->dev->ifindex : 0;
+       tcm->tcm_ifindex = q->dev->ifindex;
        tcm->tcm_parent = q->handle;
        tcm->tcm_handle = q->handle;
        tcm->tcm_info = 0;
diff -Nru a/net/sched/sch_generic.c b/net/sched/sch_generic.c
--- a/net/sched/sch_generic.c   2004-08-03 01:30:00 +02:00
+++ b/net/sched/sch_generic.c   2004-08-03 01:30:00 +02:00
@@ -443,8 +443,7 @@
        write_unlock(&qdisc_tree_lock);
        module_put(ops->owner);
 
-       if (qdisc->dev)
-               dev_put(qdisc->dev);
+       dev_put(qdisc->dev);
        if (!(qdisc->flags&TCQ_F_BUILTIN))
                kfree(qdisc);
 }