Commit 6219e493 authored by David Binder's avatar David Binder Committed by Greg Kroah-Hartman
Browse files

staging: unisys: visornic: Reorder logic in visornic_enable_with_timeout() 



Moves the call to napi_enable() before the call to init_rcv_bufs(),
ensuring that messages are not put into the receive queue until the guest
is ready to receive interrupts.

Signed-off-by: default avatarDavid Binder <david.binder@unisys.com>
Signed-off-by: default avatarDavid Kershner <david.kershner@unisys.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 4b3d7b6d

drivers/staging/unisys/visornic/visornic_main.c

+2 −1
Original line number Diff line number Diff line
@@ -572,6 +572,8 @@ visornic_enable_with_timeout(struct net_device *netdev, const int timeout) 
	unsigned long flags;

	int wait = 0;



	napi_enable(&devdata->napi);



	/* NOTE: the other end automatically unposts the rcv buffers when it

	 * gets a disable.

	 */
@@ -595,7 +597,6 @@ visornic_enable_with_timeout(struct net_device *netdev, const int timeout) 
	/* send enable and wait for ack -- don't hold lock when sending enable

	 * because if the queue is full, insert might sleep.

	 */

	napi_enable(&devdata->napi);

	send_enbdis(netdev, 1, devdata);



	spin_lock_irqsave(&devdata->priv_lock, flags);

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