David Ward fb745e9a03 net/802/mrp: fix possible race condition when calling mrp_pdu_queue() ...

(Adapted from a very similar change to net/802/garp.c by Cong Wang.)

mrp_pdu_queue() should ways be called with the applicant spin lock.
mrp_uninit_applicant() only holds the rtnl lock which is not enough;
a race is possible because mrp_rcv() is called in BH context:

	mrp_rcv()
	  |->mrp_pdu_parse_msg()
	    |->mrp_pdu_parse_vecattr()
	      |->mrp_pdu_parse_vecattr_event()
	        |-> mrp_attr_event()
	          |-> mrp_pdu_append_vecattr_event()
	            |-> mrp_pdu_queue()

Cc: Cong Wang <[email protected]>
Cc: Eric Dumazet <[email protected]>
Signed-off-by: David Ward <[email protected]>
Acked-by: Cong Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>

2013-04-12 15:10:48 -04:00

..

fc.c

net: cleanup unsigned to unsigned int

2012-04-15 12:44:40 -04:00

fddi.c

net: cleanup unsigned to unsigned int

2012-04-15 12:44:40 -04:00

garp.c

net/garp: fix GID rbtree ordering

2012-04-13 13:10:33 -04:00

hippi.c

net: cleanup unsigned to unsigned int

2012-04-15 12:44:40 -04:00

Kconfig

net/802: Implement Multiple Registration Protocol (MRP)

2013-02-10 20:37:22 -05:00

Makefile

net/802: Implement Multiple Registration Protocol (MRP)

2013-02-10 20:37:22 -05:00

mrp.c

net/802/mrp: fix possible race condition when calling mrp_pdu_queue()

2013-04-12 15:10:48 -04:00

p8022.c

net: delete all instances of special processing for token ring

2012-05-15 20:14:35 -04:00

p8023.c

…

psnap.c

snap: remove one synchronize_net()

2011-05-23 16:29:24 -04:00

stp.c

802: Convert compare_ether_addr to ether_addr_equal

2012-05-09 20:49:17 -04:00