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Fix races between wpi_rx_done() and wpi_stop()

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PR:		kern/197143
Submitted by:	Andriy Voskoboinyk <s3erios@gmail.com>
This commit is contained in:
Adrian Chadd 2015-03-15 20:15:10 +00:00
parent e336bd5499
commit 71258eb207
1 changed files with 6 additions and 0 deletions
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6
sys/dev/wpi/if_wpi.c
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@ -1952,6 +1952,12 @@ wpi_notif_intr(struct wpi_softc *sc)
case WPI_RX_DONE: case WPI_RX_DONE:
/* An 802.11 frame has been received. */ /* An 802.11 frame has been received. */
wpi_rx_done(sc, desc, data); wpi_rx_done(sc, desc, data);
if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) {
/* wpi_stop() was called. */
return;
}
break; break;
case WPI_TX_DONE: case WPI_TX_DONE: