From: JengHyun Kang <jhyuni.kang@samsung.com>
Date: Mon, 22 Aug 2016 07:54:29 +0000 (+0900)
Subject: evdev: Do not open the already opened device
X-Git-Tag: submit/tizen/20160823.022539~1
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=3b377342eac74472be2dc3fb54fd59c052e703c4;p=platform%2Fupstream%2Flibinput.git

evdev: Do not open the already opened device

Change-Id: I96ba5287f28dfa301628232a5a6a02f1baf1c7a2
---

diff --git a/src/evdev.c b/src/evdev.c
index 3f8708c5..4067062a 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -1771,6 +1771,7 @@ evdev_device_create(struct libinput_seat *seat,
 	int unhandled_device = 0;
 	const char *devnode;
 	char buf[STRERR_BUFSIZE] = {0, };
+	struct libinput_device *dev;
 
 #ifdef HAVE_INPUT_SET_DEFAULT_PROPERTY
 	if (input_set_default_property(udev_device) < 0)
@@ -1778,6 +1779,15 @@ evdev_device_create(struct libinput_seat *seat,
 #endif
 	devnode = udev_device_get_devnode(udev_device);
 
+	list_for_each(dev, &seat->devices_list, link) {
+		struct evdev_device *d = (struct evdev_device*)dev;
+		if (strcmp(devnode, udev_device_get_devnode(d->udev_device))== 0) {
+			log_info(libinput,
+				"%s device is already opened\n", d->devname);
+			goto err;
+		}
+	}
+
 	/* Use non-blocking mode so that we can loop on read on
 	 * evdev_device_data() until all events on the fd are
 	 * read.  mtdev_get() also expects this. */