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net: mctp: usb: don't fail mctp_usb_rx_queue on a deferred submission

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[ Upstream commit 881a3113b7 ]

In the ndo_open path, a deferred queue open will report a failure, and
so the netdev will not be ndo_stop()ed, leaving us with the rx_retry
work potentially pending.

Don't report a deferred queue as an error, as we are still operational.
This means we use the ndo_stop() path for future cleanup, which handles
rx_retry_work cancellation.

Fixes: 0791c0327a ("net: mctp: Add MCTP USB transport driver")
Signed-off-by: Jeremy Kerr <jk@codeconstruct.com.au>
Link: https://patch.msgid.link/20260608-dev-mctp-usb-rx-requeue-v2-2-29a3aa507609@codeconstruct.com.au
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jeremy Kerr
2026-06-19 13:43:59 +02:00
committed by Greg Kroah-Hartman
parent 9c46f3ee18
commit 6c75ee4d1d
1 changed files with 1 additions and 1 deletions
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drivers/net/mctp/mctp-usb.c
+1 -1
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@@ -154,7 +154,7 @@ err_retry:
if (!mctp_usb->rx_stopped)
schedule_delayed_work(&mctp_usb->rx_retry_work, RX_RETRY_DELAY);
spin_unlock_irqrestore(&mctp_usb->rx_lock, flags);
return rc;
return 0;
}
static void mctp_usb_in_complete(struct urb *urb)