aboutsummaryrefslogtreecommitdiffstats
path: root/net/sctp
diff options
context:
space:
mode:
authorEric Dumazet <eric.dumazet@gmail.com>2011-05-11 18:22:36 +0000
committerDavid S. Miller <davem@davemloft.net>2011-05-12 17:27:10 -0400
commit1769192a3c50778e03352a3d95faec830d47ba55 (patch)
tree9764b821abc0ddc4fa22c239e00460636aa77203 /net/sctp
parent3c709f8fb43e07a0403bba4a8ca7ba00ab874994 (diff)
downloadkernel_samsung_aries-1769192a3c50778e03352a3d95faec830d47ba55.zip
kernel_samsung_aries-1769192a3c50778e03352a3d95faec830d47ba55.tar.gz
kernel_samsung_aries-1769192a3c50778e03352a3d95faec830d47ba55.tar.bz2
l2tp: fix potential rcu race
While trying to remove useless synchronize_rcu() calls, I found l2tp is indeed incorrectly using two of such calls, but also bumps tunnel refcount after list insertion. tunnel refcount must be incremented before being made publically visible by rcu readers. This fix can be applied to 2.6.35+ and might need a backport for older kernels, since things were shuffled in commit fd558d186df2c (l2tp: Split pppol2tp patch into separate l2tp and ppp parts) Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Paul E. McKenney <paulmck@linux.vnet.ibm.com> CC: James Chapman <jchapman@katalix.com> Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sctp')
0 files changed, 0 insertions, 0 deletions