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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-01-20 14:01:31 -0300
commitb4b7ff4b08e691656c9d77c758fc355833128ac0 (patch)
tree82fcb00e6b918026dc9f2d1f05ed8eee83874cc0 /drivers/net/hamradio/mkiss.c
parent35acfa0fc609f2a2cd95cef4a6a9c3a5c38f1778 (diff)
Linux-libre 4.4-gnupck-4.4-gnu
Diffstat (limited to 'drivers/net/hamradio/mkiss.c')
-rw-r--r--drivers/net/hamradio/mkiss.c9
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 216bfd350..85828f153 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -797,14 +797,19 @@ static void mkiss_close(struct tty_struct *tty)
*/
if (!atomic_dec_and_test(&ax->refcnt))
down(&ax->dead_sem);
-
- unregister_netdev(ax->dev);
+ /*
+ * Halt the transmit queue so that a new transmit cannot scribble
+ * on our buffers
+ */
+ netif_stop_queue(ax->dev);
/* Free all AX25 frame buffers. */
kfree(ax->rbuff);
kfree(ax->xbuff);
ax->tty = NULL;
+
+ unregister_netdev(ax->dev);
}
/* Perform I/O control on an active ax25 channel. */