From: Wei Liu <wei.liu2@citrix.com>
To: Xen-devel <xen-devel@lists.xenproject.org>
Cc: Wei Liu <wei.liu2@citrix.com>, Ian Jackson <Ian.Jackson@eu.citrix.com>
Subject: [PATCH v2 2/3] libxl: use libxl__read_xenstore_mandatory in vdispl function
Date: Mon, 18 Sep 2017 14:56:13 +0100 [thread overview]
Message-ID: <20170918135614.30868-3-wei.liu2@citrix.com> (raw)
In-Reply-To: <20170918135614.30868-1-wei.liu2@citrix.com>
Coverity-ID: 1418097
Signed-off-by: Wei Liu <wei.liu2@citrix.com>
---
tools/libxl/libxl_vdispl.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/tools/libxl/libxl_vdispl.c b/tools/libxl/libxl_vdispl.c
index 5740c89fad..befc56bdeb 100644
--- a/tools/libxl/libxl_vdispl.c
+++ b/tools/libxl/libxl_vdispl.c
@@ -40,10 +40,14 @@ static int libxl__vdispl_from_xenstore(libxl__gc *gc, const char *libxl_path,
libxl_devid devid,
libxl_device_vdispl *vdispl)
{
- char *be_path;
+ const char *be_path;
+ int rc;
vdispl->devid = devid;
- be_path = libxl__xs_read(gc, XBT_NULL, GCSPRINTF("%s/backend", libxl_path));
+ rc = libxl__xs_read_mandatory(gc, XBT_NULL,
+ GCSPRINTF("%s/backend", libxl_path),
+ &be_path);
+ if (rc) return rc;
return libxl__backendpath_parse_domid(gc, be_path, &vdispl->backend_domid);
}
--
2.11.0
_______________________________________________
Xen-devel mailing list
Xen-devel@lists.xen.org
https://lists.xen.org/xen-devel
next prev parent reply other threads:[~2017-09-18 13:56 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-09-18 13:56 [PATCH v2 0/3] Some coverity fixes for xl/libxl Wei Liu
2017-09-18 13:56 ` [PATCH v2 1/3] libxl: use libxl__read_xenstore_mandatory in vtpm function Wei Liu
2017-09-18 13:56 ` Wei Liu [this message]
2017-09-18 13:56 ` [PATCH v2 3/3] xl: avoid leaking memory in vdispl parser Wei Liu
2017-09-18 15:38 ` [PATCH v2 0/3] Some coverity fixes for xl/libxl Ian Jackson
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=20170918135614.30868-3-wei.liu2@citrix.com \
--to=wei.liu2@citrix.com \
--cc=Ian.Jackson@eu.citrix.com \
--cc=xen-devel@lists.xenproject.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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.