From 46cfbe8e037a5041e17a672016550d358b232319 Mon Sep 17 00:00:00 2001 From: Dominique Martinet Date: Mon, 7 Sep 2015 17:06:54 +0200 Subject: [PATCH] 9p: trans_fd, bail out if recv fcall if missing req->rc is pre-allocated early on with p9_tag_alloc and shouldn't be missing Signed-off-by: Dominique Martinet Signed-off-by: Eric Van Hensbergen --- net/9p/trans_fd.c | 13 ++++++------- 1 file changed, 6 insertions(+), 7 deletions(-) diff --git a/net/9p/trans_fd.c b/net/9p/trans_fd.c index a270dcc4ad9a..7bc2208b6cc4 100644 --- a/net/9p/trans_fd.c +++ b/net/9p/trans_fd.c @@ -356,13 +356,12 @@ static void p9_read_work(struct work_struct *work) } if (m->req->rc == NULL) { - m->req->rc = kmalloc(sizeof(struct p9_fcall) + - m->client->msize, GFP_NOFS); - if (!m->req->rc) { - m->req = NULL; - err = -ENOMEM; - goto error; - } + p9_debug(P9_DEBUG_ERROR, + "No recv fcall for tag %d (req %p), disconnecting!\n", + m->rc.tag, m->req); + m->req = NULL; + err = -EIO; + goto error; } m->rc.sdata = (char *)m->req->rc + sizeof(struct p9_fcall); memcpy(m->rc.sdata, m->tmp_buf, m->rc.capacity); -- 2.39.2