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authorNeil Brown <neilb@suse.de>2007-09-14 10:28:08 -0400
committerGreg Kroah-Hartman <gregkh@suse.de>2007-09-26 10:54:41 -0700
commit7eafb2d538dd87b658593b0e7b4429544f866abe (patch)
treed7270ac2b505447bd7fcab2ac617db6413e2d07b /net
parent7cd5471bea6f4e7f97e28ff71a30bb2c7656e1c2 (diff)
Correctly close old nfsd/lockd sockets.
commit 7a1fa065a0264f6b3d3003ba5635289f6583c478 in mainline. Commit aaf68cfbf2241d24d46583423f6bff5c47e088b3 added a bias to sk_inuse, so this test for an unused socket now fails. So no sockets get closed because they are old (they might get closed if the client closed them). This bug has existed since 2.6.21-rc1. Thanks to Wolfgang Walter for finding and reporting the bug. Cc: Wolfgang Walter <wolfgang.walter@studentenwerk.mhn.de> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'net')
-rw-r--r--net/sunrpc/svcsock.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/net/sunrpc/svcsock.c b/net/sunrpc/svcsock.c
index 8a59cfbbc1d..80a00912d14 100644
--- a/net/sunrpc/svcsock.c
+++ b/net/sunrpc/svcsock.c
@@ -1573,7 +1573,8 @@ svc_age_temp_sockets(unsigned long closure)
if (!test_and_set_bit(SK_OLD, &svsk->sk_flags))
continue;
- if (atomic_read(&svsk->sk_inuse) || test_bit(SK_BUSY, &svsk->sk_flags))
+ if (atomic_read(&svsk->sk_inuse) > 1
+ || test_bit(SK_BUSY, &svsk->sk_flags))
continue;
atomic_inc(&svsk->sk_inuse);
list_move(le, &to_be_aged);