[PATCH] attrib-server: Fix invalid device access

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When the device is not found, the channel attach must fail.
---
 src/attrib-server.c |   11 +++++++++--
 1 file changed, 9 insertions(+), 2 deletions(-)

diff --git a/src/attrib-server.c b/src/attrib-server.c
index 15622e4..4a25743 100644
--- a/src/attrib-server.c
+++ b/src/attrib-server.c
@@ -1131,10 +1131,17 @@ guint attrib_channel_attach(GAttrib *attrib)
 	ba2str(&channel->dst, addr);
 
 	device = adapter_find_device(server->adapter, addr);
-	if (device == NULL || device_is_bonded(device) == FALSE) {
+	if (device == NULL) {
+		error("Device not found");
+		g_free(channel);
+
+		return 0;
+	}
+
+	if (device_is_bonded(device) == FALSE) {
 		char *filename;
 
-		filename = btd_device_get_storage_path(channel->device, "ccc");
+		filename = btd_device_get_storage_path(device, "ccc");
 		unlink(filename);
 		g_free(filename);
 	}
-- 
1.7.9.5

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