From: Insu Yun <wuninsu@gmail.com>
To: dmitry.torokhov@gmail.com, wei.liu2@citrix.com,
david.vrabel@citrix.com, stefano.stabellini@eu.citrix.com,
julien.grall@citrix.com, linux-input@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: taesoo@gatech.edu, yeongjin.jang@gatech.edu, insu@gatech.edu,
changwoo@gatech.edu, Insu Yun <wuninsu@gmail.com>
Subject: [PATCH] xen: check return value of xenbus_printf
Date: Mon, 19 Oct 2015 16:02:51 +0000 [thread overview]
Message-ID: <1445270571-23890-1-git-send-email-wuninsu@gmail.com> (raw)
Signed-off-by: Insu Yun <wuninsu@gmail.com>
---
drivers/input/misc/xen-kbdfront.c | 10 ++++++++--
1 file changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/input/misc/xen-kbdfront.c b/drivers/input/misc/xen-kbdfront.c
index 23d0549..0a9ad2cf 100644
--- a/drivers/input/misc/xen-kbdfront.c
+++ b/drivers/input/misc/xen-kbdfront.c
@@ -129,8 +129,14 @@ static int xenkbd_probe(struct xenbus_device *dev,
if (xenbus_scanf(XBT_NIL, dev->otherend, "feature-abs-pointer", "%d", &abs) < 0)
abs = 0;
- if (abs)
- xenbus_printf(XBT_NIL, dev->nodename, "request-abs-pointer", "1");
+ if (abs) {
+ ret = xenbus_printf(XBT_NIL, dev->nodename,
+ "request-abs-pointer", "1");
+ if (ret) {
+ pr_warning("xenkbd: can't request abs-pointer");
+ abs = 0;
+ }
+ }
/* keyboard */
kbd = input_allocate_device();
--
1.9.1
next reply other threads:[~2015-10-19 16:01 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-19 16:02 Insu Yun [this message]
2015-10-19 16:46 ` [PATCH] xen: check return value of xenbus_printf Dmitry Torokhov
-- strict thread matches above, loose matches on Subject: below --
2015-10-19 14:10 Insu Yun
2015-10-19 14:30 ` Julien Grall
2015-10-15 18:40 Insu Yun
2015-10-16 0:01 ` Dmitry Torokhov
2015-10-15 16:25 Insu Yun
2015-10-15 16:40 ` David Vrabel
[not found] ` <CAGoFzNeiu0sNXUh_JtGp8_HWA+k5xq9s-D4qFqU43Vgm=bYiiA@mail.gmail.com>
2015-10-15 18:20 ` Julien Grall
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