From: Trond Myklebust <Trond.Myklebust@netapp.com>
Date: Tue, 6 May 2008 17:32:40 +0000 (-0400)
Subject: NFSv4: Check the return value of decode_compound_hdr_arg()
X-Git-Tag: v2.6.26-rc4~126^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=3a6258e1fb5ff717dcefa04afc35f81aaae3f3e0;p=pandora-kernel.git

NFSv4: Check the return value of decode_compound_hdr_arg()

If decode_compound_hdr_arg() returns a resource error, then we cannot
proceed to process the callback. Return a 'GARBAGE_ARGS' rpc-level error to
the caller instead.
If, however, the minor version field is incorrect, then we need to
propagate the resulting NFS4ERR_MINOR_VERS_MISMATCH error back as the
compound status field (setting the nops field to 0).

Finally, if encode_compound_hdr_res() returns an error, we need to return
an RPC_SYSTEM_ERR to the caller.

Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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