[PATCH 03/27] drbd: drbd_adm_prepare(): Only set adm_ctx.connection when a connection is requested

From: Philipp Reisner
Date: Mon Dec 23 2013 - 17:05:53 EST


From: Andreas Gruenbacher <agruen@xxxxxxxxxx>

Also change drbd_adm_connect() to expect a resource after it requested one.

Signed-off-by: Andreas Gruenbacher <agruen@xxxxxxxxxx>
Signed-off-by: Philipp Reisner <philipp.reisner@xxxxxxxxxx>
---
drivers/block/drbd/drbd_nl.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/block/drbd/drbd_nl.c b/drivers/block/drbd/drbd_nl.c
index 26051c6..372efd5 100644
--- a/drivers/block/drbd/drbd_nl.c
+++ b/drivers/block/drbd/drbd_nl.c
@@ -216,10 +216,6 @@ static int drbd_adm_prepare(struct sk_buff *skb, struct genl_info *info,
adm_ctx.device = minor_to_device(d_in->minor);
if (adm_ctx.resource_name) {
adm_ctx.resource = drbd_find_resource(adm_ctx.resource_name);
- if (adm_ctx.resource) {
- adm_ctx.connection = first_connection(adm_ctx.resource);
- kref_get(&adm_ctx.connection->kref);
- }
}

if (!adm_ctx.device && (flags & DRBD_ADM_NEED_MINOR)) {
@@ -234,7 +230,7 @@ static int drbd_adm_prepare(struct sk_buff *skb, struct genl_info *info,
}

if (flags & DRBD_ADM_NEED_CONNECTION) {
- if (adm_ctx.connection && !(flags & DRBD_ADM_NEED_RESOURCE)) {
+ if (adm_ctx.resource) {
drbd_msg_put_info("no resource name expected");
return ERR_INVALID_REQUEST;
}
@@ -2211,7 +2207,7 @@ int drbd_adm_connect(struct sk_buff *skb, struct genl_info *info)
}
}

- connection = adm_ctx.connection;
+ connection = first_connection(adm_ctx.resource);
conn_reconfig_start(connection);

if (connection->cstate > C_STANDALONE) {
--
1.7.9.5

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