When there are no op replies encoded in the comound reply hdr.status still contains the overall status of the compound rpc. This can happen, e.g., when the server returns an 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; } -- 1.5.6.4 -- 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
