On Tue, Oct 31, 2017 at 01:28:16PM +0000, Wei Yongjun wrote:
> Fix to returnerror code -ENOMEM from the sctp_make_strreset_addstrm()
> error handling case instead of 0. 'retval' can be overwritten to 0 after
> call sctp_stream_alloc_out().
>
> Fixes: e090abd0d81c ("sctp: factor out stream->out allocation")
> Signed-off-by: Wei Yongjun <weiyongjun1@xxxxxxxxxx>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@xxxxxxxxx>
> ---
> net/sctp/stream.c | 6 ++++--
> 1 file changed, 4 insertions(+), 2 deletions(-)
>
> diff --git a/net/sctp/stream.c b/net/sctp/stream.c
> index 03764fc..b8c8cab 100644
> --- a/net/sctp/stream.c
> +++ b/net/sctp/stream.c
> @@ -393,7 +393,7 @@ int sctp_send_add_streams(struct sctp_association *asoc,
> {
> struct sctp_stream *stream = &asoc->stream;
> struct sctp_chunk *chunk = NULL;
> - int retval = -ENOMEM;
> + int retval;
> __u32 outcnt, incnt;
> __u16 out, in;
>
> @@ -425,8 +425,10 @@ int sctp_send_add_streams(struct sctp_association *asoc,
> }
>
> chunk = sctp_make_strreset_addstrm(asoc, out, in);
> - if (!chunk)
> + if (!chunk) {
> + retval = -ENOMEM;
> goto out;
> + }
>
> asoc->strreset_chunk = chunk;
> sctp_chunk_hold(asoc->strreset_chunk);
>
> --
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