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Commit ef707b83 authored by Holger Schurig's avatar Holger Schurig Committed by John W. Linville
Browse files

libertas: before sleeping, check for a command result 



If we don't check for a command response early, but rather sleep,
then we might sleep despite an already-received command response.
This will lead to a command-timeout.

Signed-off-by: default avatarHolger Schurig <hs4233@mail.mn-solutions.de>
Acked-by: default avatarDan Williams <dcbw@redhat.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent df349f9f

drivers/net/wireless/libertas/main.c

+2 −2
Original line number Diff line number Diff line
@@ -722,14 +722,14 @@ static int lbs_thread(void *data) 
			shouldsleep = 1;	/* Something is en route to the device already */

		else if (priv->tx_pending_len > 0)

			shouldsleep = 0;	/* We've a packet to send */

		else if (priv->resp_len[priv->resp_idx])

			shouldsleep = 0;	/* We have a command response */

		else if (priv->cur_cmd)

			shouldsleep = 1;	/* Can't send a command; one already running */

		else if (!list_empty(&priv->cmdpendingq))

			shouldsleep = 0;	/* We have a command to send */

		else if (__kfifo_len(priv->event_fifo))

			shouldsleep = 0;	/* We have an event to process */

		else if (priv->resp_len[priv->resp_idx])

			shouldsleep = 0;	/* We have a command response */

		else

			shouldsleep = 1;	/* No command */