[PATCH 03/11] net/9p/usbg: set client to Disconnected on usb9pfs_disable
Michael Grzeschik <[email protected]>
| Newsgroups | dev.linux.lists.v9fs,org.kernel.vger.linux-kernel,org.kernel.vger.stable |
|---|---|
| Message-ID | <[email protected]> |
This patch is setting the client status to Disconnected, when the
client is still in use. Otherwiese a disconnected usb cable would run
any use of the mount to faults.
Fixes: a3be076dc174 ("net/9p/usbg: Add new usb gadget function transport")
Cc: [email protected]
Signed-off-by: Michael Grzeschik <[email protected]>
---
net/9p/trans_usbg.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/net/9p/trans_usbg.c b/net/9p/trans_usbg.c
index fb05198dc2a7d604cfad2db26a63e40e632651a2..6ddf6886dbadd7cdfdebb96dc767874169ccb16e 100644
--- a/net/9p/trans_usbg.c
+++ b/net/9p/trans_usbg.c
@@ -779,7 +779,12 @@ static int usb9pfs_set_alt(struct usb_function *f,
static void usb9pfs_disable(struct usb_function *f)
{
struct f_usb9pfs *usb9pfs = func_to_usb9pfs(f);
+ unsigned long flags;
+ spin_lock_irqsave(&usb9pfs->lock, flags);
+ if (usb9pfs->client)
+ usb9pfs->client->status = Disconnected;
+ spin_unlock_irqrestore(&usb9pfs->lock, flags);
usb9pfs_clear_tx(usb9pfs);
}
--
2.47.3