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devlink: Unlock on error in dumpit() 

This needs to unlock before returning.

Fixes: 544e7c33ec ("net: devlink: Add support for port regions")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Link: https://lore.kernel.org/r/20201026080127.GB1628785@mwanda
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Dan Carpenter 2020-10-26 11:01:27 +03:00 committed by Jakub Kicinski
parent 6c211809c8
commit 0d8cb9464a
1 changed files with 4 additions and 2 deletions
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6
net/core/devlink.c
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@ -4919,8 +4919,10 @@ static int devlink_nl_cmd_region_read_dumpit(struct sk_buff *skb,
index = nla_get_u32(info->attrs[DEVLINK_ATTR_PORT_INDEX]);
port = devlink_port_get_by_index(devlink, index);
if (!port)
return -ENODEV;
if (!port) {
err = -ENODEV;
goto out_unlock;
}
}
region_name = nla_data(attrs[DEVLINK_ATTR_REGION_NAME]);