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: accepted/tizen/unified/20250205.095548~57
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d5f7bdf91ee35bfa3a4da0ac7258736787461aa6;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 7ce55a6c..c1f50303 100644
--- a/src/evdev.c
+++ b/src/evdev.c
@@ -2439,6 +2439,7 @@ evdev_device_create(struct libinput_seat *seat,
 	const char *devnode;
 	char *sysname = str_sanitize(udev_device_get_sysname(udev_device));
 	char buf[STRERR_BUFSIZE] = {0, };
+	struct libinput_device *dev;
 
 #ifdef HAVE_INPUT_SET_DEFAULT_PROPERTY
 	if (input_set_default_property(udev_device) < 0)
@@ -2456,6 +2457,15 @@ evdev_device_create(struct libinput_seat *seat,
 		goto err;
 	}
 
+	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);
+			return NULL;
+		}
+	}
+
 	/* 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. */