When there are no op replies encoded in the compound reply hdr.status still contains the overall status of the compound rpc. This can happen, e.g., when the server returns a NFS4ERR_MINOR_VERS_MISMATCH error. Signed-off-by: Benny Halevy <bhalevy@xxxxxxxxxxx> --- fs/nfs/nfs4xdr.c | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/fs/nfs/nfs4xdr.c b/fs/nfs/nfs4xdr.c index b916297..ac2386b 100644 --- a/fs/nfs/nfs4xdr.c +++ b/fs/nfs/nfs4xdr.c @@ -2222,6 +2222,8 @@ static int decode_compound_hdr(struct xdr_stream *xdr, struct compound_hdr *hdr) hdr->tag = (char *)p; p += XDR_QUADLEN(hdr->taglen); READ32(hdr->nops); + if (unlikely(hdr->nops < 1)) + return nfs4_stat_to_errno(hdr->status); return 0; } -- 1.6.0.2 -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
