This fix hammering storage device (eg sdcard) when doing scanning
and LE devices are around.
---
src/device.c | 10 +++++++++-
1 file changed, 9 insertions(+), 1 deletion(-)
diff --git a/src/device.c b/src/device.c
index 2800b276a..cf4226f42 100644
--- a/src/device.c
+++ b/src/device.c
@@ -509,7 +509,9 @@ void device_store_cached_name(struct btd_device *dev, const char *name)
char d_addr[18];
GKeyFile *key_file;
char *data;
+ char *data_old;
gsize length = 0;
+ gsize length_old = 0;
if (device_address_is_private(dev)) {
DBG("Can't store name for private addressed device %s",
@@ -524,11 +526,17 @@ void device_store_cached_name(struct btd_device *dev, const char *name)
key_file = g_key_file_new();
g_key_file_load_from_file(key_file, filename, 0, NULL);
+ data_old = g_key_file_to_data(key_file, &length_old, NULL);
+
g_key_file_set_string(key_file, "General", "Name", name);
data = g_key_file_to_data(key_file, &length, NULL);
- g_file_set_contents(filename, data, length, NULL);
+
+ if ((length != length_old) || (memcmp(data, data_old, length)))
+ g_file_set_contents(filename, data, length, NULL);
+
g_free(data);
+ g_free(data_old);
g_key_file_free(key_file);
}
--
2.28.0
