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ax25: netrom: rose: Fix timer oopses

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Wrong ax25_cb refcounting in ax25_send_frame() and by its callers can
cause timer oopses (first reported with 2.6.29.6 kernel).

Fixes: http://bugzilla.kernel.org/show_bug.cgi?id=14905

Reported-by: Bernard Pidoux <[email protected]>
Tested-by: Bernard Pidoux <[email protected]>
Signed-off-by: Jarek Poplawski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
This commit is contained in:
Jarek Poplawski 2010-01-16 01:04:04 -08:00 • committed by David S. Miller
commit d00c362f1b
5 changed files with 27 additions and 5 deletions
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6
net/ax25/ax25_out.c
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@ -92,6 +92,12 @@ ax25_cb *ax25_send_frame(struct sk_buff *skb, int paclen, ax25_address *src, ax2
#endif
}
/*
* There is one ref for the state machine; a caller needs
* one more to put it back, just like with the existing one.
*/
ax25_cb_hold(ax25);
ax25_cb_add(ax25);
ax25->state = AX25_STATE_1;