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RDMA/rtrs-srv: Set .release function for rtrs srv device during device init

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The device .release function was not being set during the device
initialization. This was leading to the below warning, in error cases when
put_srv was called before device_add was called.

Warning:

Device '(null)' does not have a release() function, it is broken and must
be fixed. See Documentation/kobject.txt.

So, set the device .release function during device initialization in the
__alloc_srv() function.

Fixes: baa5b28b7a ("RDMA/rtrs-srv: Replace device_register with device_initialize and device_add")
Link: https://lore.kernel.org/r/20200907102216.104041-1-haris.iqbal@cloud.ionos.com
Signed-off-by: Md Haris Iqbal <haris.iqbal@cloud.ionos.com>
Reviewed-by: Leon Romanovsky <leonro@nvidia.com>
Acked-by: Jack Wang <jinpu.wang@cloud.ionos.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
This commit is contained in:
Md Haris Iqbal 2020-09-07 15:52:16 +05:30 committed by Jason Gunthorpe
parent 9e712446a8
commit 39c2d639ca
2 changed files with 8 additions and 8 deletions
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8
drivers/infiniband/ulp/rtrs/rtrs-srv-sysfs.c
View file

@ -152,13 +152,6 @@ static struct attribute_group rtrs_srv_stats_attr_group = {
.attrs = rtrs_srv_stats_attrs,
};
static void rtrs_srv_dev_release(struct device *dev)
{
struct rtrs_srv *srv = container_of(dev, struct rtrs_srv, dev);
kfree(srv);
}
static int rtrs_srv_create_once_sysfs_root_folders(struct rtrs_srv_sess *sess)
{
struct rtrs_srv *srv = sess->srv;
@ -172,7 +165,6 @@ static int rtrs_srv_create_once_sysfs_root_folders(struct rtrs_srv_sess *sess)
goto unlock;
}
srv->dev.class = rtrs_dev_class;
srv->dev.release = rtrs_srv_dev_release;
err = dev_set_name(&srv->dev, "%s", sess->s.sessname);
if (err)
goto unlock;

8
drivers/infiniband/ulp/rtrs/rtrs-srv.c
View file

@ -1319,6 +1319,13 @@ static int rtrs_srv_get_next_cq_vector(struct rtrs_srv_sess *sess)
return sess->cur_cq_vector;
}
static void rtrs_srv_dev_release(struct device *dev)
{
struct rtrs_srv *srv = container_of(dev, struct rtrs_srv, dev);
kfree(srv);
}
static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx,
const uuid_t *paths_uuid)
{
@ -1337,6 +1344,7 @@ static struct rtrs_srv *__alloc_srv(struct rtrs_srv_ctx *ctx,
srv->queue_depth = sess_queue_depth;
srv->ctx = ctx;
device_initialize(&srv->dev);
srv->dev.release = rtrs_srv_dev_release;
srv->chunks = kcalloc(srv->queue_depth, sizeof(*srv->chunks),
GFP_KERNEL);