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nfs[23] tcp breakage in mount with binary options 

We forget to set nfs_server.protocol in tcp case when old-style binary
options are passed to mount.  The thing remains zero and never validated
afterwards.  As the result, we hit BUG in fs/nfs/client.c:588.

Breakage has been introduced in NFS: Add nfs_alloc_parsed_mount_data
merged yesterday...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
This commit is contained in:
Al Viro 2009-09-24 14:58:42 -04:00 committed by Trond Myklebust
parent 7a73fdde39
commit 36dd2fdb37
1 changed files with 2 additions and 0 deletions
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2
fs/nfs/super.c
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@ -1711,6 +1711,8 @@ static int nfs_validate_mount_data(void *options,
if (!(data->flags & NFS_MOUNT_TCP))
args->nfs_server.protocol = XPRT_TRANSPORT_UDP;
else
args->nfs_server.protocol = XPRT_TRANSPORT_TCP;
/* N.B. caller will free nfs_server.hostname in all cases */
args->nfs_server.hostname = kstrdup(data->hostname, GFP_KERNEL);
args->namlen = data->namlen;