On Mon, Jul 23, 2018 at 09:57:11AM +0800, nixiaoming wrote: > READ_BUF(8); > dummy = be32_to_cpup(p++); > dummy = be32_to_cpup(p++); > ... > READ_BUF(4); > dummy = be32_to_cpup(p++); > > Assigning value to "dummy" here, but that stored value > is overwritten before it can be used. > At the same time READ_BUF() will re-update the pointer p. > > delete invalid assignment statements Thanks, applying with a minor comment tweak to clarify that we're intentionally not reading these: - /* ssp_window and ssp_num_gss_handles */ + /* ignore ssp_window and ssp_num_gss_handles: */ READ_BUF(8); break; --b. > > Signed-off-by: nixiaoming <nixiaoming@xxxxxxxxxx> > Signed-off-by: Chuck Lever <chuck.lever@xxxxxxxxxx> > Signed-off-by: Trond Myklebust <trondmy@xxxxxxxxxxxxxxx> > --- > fs/nfsd/nfs4xdr.c | 2 -- > 1 file changed, 2 deletions(-) > > diff --git a/fs/nfsd/nfs4xdr.c b/fs/nfsd/nfs4xdr.c > index a96843c..375ad4b 100644 > --- a/fs/nfsd/nfs4xdr.c > +++ b/fs/nfsd/nfs4xdr.c > @@ -1392,8 +1392,6 @@ nfsd4_decode_exchange_id(struct nfsd4_compoundargs *argp, > > /* ssp_window and ssp_num_gss_handles */ > READ_BUF(8); > - dummy = be32_to_cpup(p++); > - dummy = be32_to_cpup(p++); > break; > default: > goto xdr_error; > -- > 2.10.1 -- 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