[BlueZ PATCH] src/device: Fix glib assertion

From: Tedd Ho-Jeong An <redacted>

This patch fixes the assertion by resetting the GError variable to NULL.

bluetoothd[370193]: GLib: g_file_set_contents: assertion 'error == NULL || *error == NULL' failed
bluetoothd[370193]: ++++++++ backtrace ++++++++
bluetoothd[370193]: #1  g_logv+0x21c (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.6) [0x7f314559455c]
bluetoothd[370193]: #2  g_log+0x93 (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.6) [0x7f3145594743]
bluetoothd[370193]: #3  g_file_set_contents+0x68 (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.6) [0x7f3145577a68]
bluetoothd[370193]: #4  store_device_info_cb+0x3b6 (src/device.c:475) [0x55be0a3591e6]
bluetoothd[370193]: #5  g_main_context_dispatch+0x14e (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.6) [0x7f314558d04e]
bluetoothd[370193]: #6  ?? (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.6) [0x7f314558d400]
bluetoothd[370193]: #7  g_main_loop_run+0x83 (/usr/lib/x86_64-linux-gnu/libglib-2.0.so.0.6400.6) [0x7f314558d6f3]
bluetoothd[370193]: #8  mainloop_run+0x19 (src/shared/mainloop-glib.c:68) [0x55be0a394149]
bluetoothd[370193]: #9  mainloop_run_with_signal+0xf0 (src/shared/mainloop-notify.c:190) [0x55be0a3945b0]
bluetoothd[370193]: #10 main+0xabc (src/main.c:1212) [0x55be0a2d9d9c]
bluetoothd[370193]: #11 __libc_start_main+0xf3 (../csu/libc-start.c:342) [0x7f314521e0b3]
bluetoothd[370193]: #12 _start+0x2e (/home/han1/work/dev/bluez/src/bluetoothd) [0x55be0a2dac7e]
bluetoothd[370193]: +++++++++++++++++++++++++++
---
 src/device.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/device.c b/src/device.c
index d5aae9576..f3cd69003 100644
--- a/src/device.c
+++ b/src/device.c

@@ -399,6 +399,7 @@ static gboolean store_device_info_cb(gpointer user_data)
 		error("Unable to load key file from %s: (%s)", filename,
 								gerr->message);
 		g_error_free(gerr);
+		gerr = NULL;
 	}
 
 	g_key_file_set_string(key_file, "General", "Name", device->name);

-- 
2.25.1