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authorRalf Baechle <ralf@linux-mips.org>2006-01-08 22:31:04 -0800
committerDavid S. Miller <davem@sunset.davemloft.net>2006-01-09 14:16:21 -0800
commitc1854ebc7f13b23c3d6a6e641a1a1db1116ca998 (patch)
treef6ddfa2532700ef5907d6153c01a06b5c8f4596d /drivers/net/hamradio
parent09a626600b437d91f6b13ade5c7c4b374893c54e (diff)
[AX25] mkiss: Drop spinlock before sleeping call.
With the previous missing-unlock fix the spinlock is dropped only after the tty->driver->write() call which might sleep. Signed-off-by: Ralf Baechle <ralf@linux-mips.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/hamradio')
-rw-r--r--drivers/net/hamradio/mkiss.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/hamradio/mkiss.c b/drivers/net/hamradio/mkiss.c
index 41b3d83c2ab..f4424cf886c 100644
--- a/drivers/net/hamradio/mkiss.c
+++ b/drivers/net/hamradio/mkiss.c
@@ -515,6 +515,7 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len)
count = kiss_esc(p, (unsigned char *)ax->xbuff, len);
}
}
+ spin_unlock_bh(&ax->buflock);
set_bit(TTY_DO_WRITE_WAKEUP, &ax->tty->flags);
actual = ax->tty->driver->write(ax->tty, ax->xbuff, count);
@@ -524,7 +525,6 @@ static void ax_encaps(struct net_device *dev, unsigned char *icp, int len)
ax->dev->trans_start = jiffies;
ax->xleft = count - actual;
ax->xhead = ax->xbuff + actual;
- spin_unlock_bh(&ax->buflock);
}
/* Encapsulate an AX.25 packet and kick it into a TTY queue. */