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@xxxxxxxxxx>
---
fs/nfs/callback.c | 4 +++-
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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