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authorJakub Kicinski <jakub.kicinski@netronome.com>2018-11-15 09:23:45 +0300
committerDavid S. Miller <davem@davemloft.net>2018-11-17 10:08:51 +0300
commit255f4803ecc490319596d73f24ed775f99923a53 (patch)
tree46ae30e335ef35c6f6dcdc407bcc16fc0144083b /net/sched/sch_gred.c
parent9c549a6b057386df478e4307902cbc84f1eee058 (diff)
downloadlinux-255f4803ecc490319596d73f24ed775f99923a53.tar.xz
net: sched: gred: separate error and non-error path in gred_change()
We will soon want to add more code to the non-error path, separate it from the error handling flow. Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com> Reviewed-by: John Hurley <john.hurley@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/sch_gred.c')
-rw-r--r--net/sched/sch_gred.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index 4a042abf844c..22110be9d285 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -423,12 +423,11 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt,
max_P = tb[TCA_GRED_MAX_P] ? nla_get_u32(tb[TCA_GRED_MAX_P]) : 0;
- err = -EINVAL;
ctl = nla_data(tb[TCA_GRED_PARMS]);
stab = nla_data(tb[TCA_GRED_STAB]);
if (ctl->DP >= table->DPs)
- goto errout;
+ return -EINVAL;
if (gred_rio_mode(table)) {
if (ctl->prio == 0) {
@@ -450,7 +449,7 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt,
err = gred_change_vq(sch, ctl->DP, ctl, prio, stab, max_P, &prealloc);
if (err < 0)
- goto errout_locked;
+ goto err_unlock_free;
if (gred_rio_mode(table)) {
gred_disable_wred_mode(table);
@@ -458,12 +457,13 @@ static int gred_change(struct Qdisc *sch, struct nlattr *opt,
gred_enable_wred_mode(table);
}
- err = 0;
+ sch_tree_unlock(sch);
+ kfree(prealloc);
+ return 0;
-errout_locked:
+err_unlock_free:
sch_tree_unlock(sch);
kfree(prealloc);
-errout:
return err;
}