From: Kuba Kozak <kubax.kozak@intel.com>
To: yliu@fridaylinux.org, maxime.coquelin@redhat.com
Cc: dev@dpdk.org, Kuba Kozak <kubax.kozak@intel.com>,
jan.wickbom@ericsson.com, stable@dpdk.org
Subject: [dpdk-stable] [PATCH] vhost: fix unchecked return value
Date: Fri, 22 Sep 2017 14:17:40 +0200 [thread overview]
Message-ID: <1506082660-46479-1-git-send-email-kubax.kozak@intel.com> (raw)
Add return value check for poll() call.
Coverity issue: 140740
Fixes: 59317cef249c ("vhost: allow many vhost-user ports")
Cc: jan.wickbom@ericsson.com
Cc: stable@dpdk.org
Signed-off-by: Kuba Kozak <kubax.kozak@intel.com>
---
lib/librte_vhost/fd_man.c | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/lib/librte_vhost/fd_man.c b/lib/librte_vhost/fd_man.c
index 2ceacc9..4c6fed4 100644
--- a/lib/librte_vhost/fd_man.c
+++ b/lib/librte_vhost/fd_man.c
@@ -222,6 +222,7 @@ fdset_event_dispatch(void *arg)
int remove1, remove2;
int need_shrink;
struct fdset *pfdset = arg;
+ int val;
if (pfdset == NULL)
return NULL;
@@ -239,7 +240,9 @@ fdset_event_dispatch(void *arg)
numfds = pfdset->num;
pthread_mutex_unlock(&pfdset->fd_mutex);
- poll(pfdset->rwfds, numfds, 1000 /* millisecs */);
+ val = poll(pfdset->rwfds, numfds, 1000 /* millisecs */);
+ if (val < 0)
+ continue;
need_shrink = 0;
for (i = 0; i < numfds; i++) {
--
2.7.4
next reply other threads:[~2017-09-22 12:26 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-22 12:17 Kuba Kozak [this message]
2017-10-02 14:18 ` [dpdk-stable] [dpdk-dev] " Jastrzebski, MichalX K
2017-10-09 3:10 ` [dpdk-stable] " Yuanhan Liu
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1506082660-46479-1-git-send-email-kubax.kozak@intel.com \
--to=kubax.kozak@intel.com \
--cc=dev@dpdk.org \
--cc=jan.wickbom@ericsson.com \
--cc=maxime.coquelin@redhat.com \
--cc=stable@dpdk.org \
--cc=yliu@fridaylinux.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).