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authorChuck Lever <chuck.lever@oracle.com>2009-06-17 18:02:10 -0700
committerTrond Myklebust <Trond.Myklebust@netapp.com>2009-06-17 18:02:10 -0700
commit18fc31641925867c871bc75270ce642c039188d3 (patch)
tree2aad9b2c61fac3507526e41c719e1c989ad19a5e /fs/nfs
parenta21bdd9b960ccce421b63aa0e3efda4fcdc26f10 (diff)
downloadop-kernel-dev-18fc31641925867c871bc75270ce642c039188d3.zip
op-kernel-dev-18fc31641925867c871bc75270ce642c039188d3.tar.gz
NFS: Fix false error return from nfs_callback_up() if ipv6.ko is not available
Clear "ret" if the error return from svc_create_xprt(AF_INET6) was -EAFNOSUPORT. Otherwise, callback start-up will succeed, but nfs_callback_up() will return -EAFNOSUPPORT anyway, and the first NFSv4 mount attempt after a reboot will fail. Bug introduced by commit f738f517 in 2.6.30-rc1. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Diffstat (limited to 'fs/nfs')
-rw-r--r--fs/nfs/callback.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/nfs/callback.c b/fs/nfs/callback.c
index a886e69..6e3bd42 100644
--- a/fs/nfs/callback.c
+++ b/fs/nfs/callback.c
@@ -127,7 +127,9 @@ int nfs_callback_up(void)
nfs_callback_tcpport6 = ret;
dprintk("NFS: Callback listener port = %u (af %u)\n",
nfs_callback_tcpport6, PF_INET6);
- } else if (ret != -EAFNOSUPPORT)
+ } else if (ret == -EAFNOSUPPORT)
+ ret = 0;
+ else
goto out_err;
#endif /* defined(CONFIG_IPV6) || defined(CONFIG_IPV6_MODULE) */
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