summaryrefslogtreecommitdiff
path: root/drivers/block/rnbd
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/block/rnbd')
-rw-r--r--drivers/block/rnbd/rnbd-clt.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/block/rnbd/rnbd-clt.c b/drivers/block/rnbd/rnbd-clt.c
index 5941ff7c83a8..96e3f9fe8241 100644
--- a/drivers/block/rnbd/rnbd-clt.c
+++ b/drivers/block/rnbd/rnbd-clt.c
@@ -349,12 +349,19 @@ static struct rnbd_iu *rnbd_get_iu(struct rnbd_clt_session *sess,
struct rnbd_iu *iu;
struct rtrs_permit *permit;
+ iu = kzalloc(sizeof(*iu), GFP_KERNEL);
+ if (!iu) {
+ return NULL;
+ }
+
permit = rnbd_get_permit(sess, con_type,
wait ? RTRS_PERMIT_WAIT :
RTRS_PERMIT_NOWAIT);
- if (unlikely(!permit))
+ if (unlikely(!permit)) {
+ kfree(iu);
return NULL;
- iu = rtrs_permit_to_pdu(permit);
+ }
+
iu->permit = permit;
/*
* 1st reference is dropped after finishing sending a "user" message,
@@ -373,8 +380,10 @@ static struct rnbd_iu *rnbd_get_iu(struct rnbd_clt_session *sess,
static void rnbd_put_iu(struct rnbd_clt_session *sess, struct rnbd_iu *iu)
{
- if (atomic_dec_and_test(&iu->refcount))
+ if (atomic_dec_and_test(&iu->refcount)) {
rnbd_put_permit(sess, iu->permit);
+ kfree(iu);
+ }
}
static void rnbd_softirq_done_fn(struct request *rq)
@@ -1218,7 +1227,7 @@ find_and_get_or_create_sess(const char *sessname,
*/
sess->rtrs = rtrs_clt_open(&rtrs_ops, sessname,
paths, path_cnt, port_nr,
- sizeof(struct rnbd_iu),
+ 0, /* Do not use pdu of rtrs */
RECONNECT_DELAY, BMAX_SEGMENTS,
BLK_MAX_SEGMENT_SIZE,
MAX_RECONNECTS);