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um: vector: always reset vp->opened

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If open fails, we have already set vp->opened, but it's
not reset so that any further attempts will just return
-ENXIO. Reset vp->opened even if close has nothing to do.

This helps e.g. with slirp4netns handling only a single
connection, you can then restart it and open the device
again.

Link: https://patch.msgid.link/20240703184622.df40c5c38461.Id4e20b48938c6019d99e6133227a34ac059db466@changeid
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
This commit is contained in:
Johannes Berg 2024-07-03 18:46:23 +02:00
parent a0470a9f69
commit 98ff534ec2
1 changed files with 2 additions and 1 deletions
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3
arch/um/drivers/vector_kern.c
View file

@ -1119,6 +1119,8 @@ static int vector_net_close(struct net_device *dev)
netif_stop_queue(dev);
del_timer(&vp->tl);
vp->opened = false;
if (vp->fds == NULL)
return 0;
@ -1157,7 +1159,6 @@ static int vector_net_close(struct net_device *dev)
destroy_queue(vp->tx_queue);
kfree(vp->fds);
vp->fds = NULL;
vp->opened = false;
vp->in_error = false;
return 0;
}