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main: Fix memory leak when a save fails

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and simplify the flow of that function.

From https://bugs.launchpad.net/ubuntu/+source/fprintd/+bug/1745455/comments/7
This commit is contained in:
Bastien Nocera
2018-08-23 13:50:49 +02:00
parent 267e6b3238
commit 8de9164be0
1 changed files with 11 additions and 11 deletions
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22
src/file_storage.c
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@ -95,16 +95,16 @@ int file_storage_print_data_save(struct fp_print_data *data,
enum fp_finger finger, const char *username)
{
GError *err = NULL;
char *path, *dirpath, *buf;
char *path, *dirpath;
size_t len;
int r;
char *base_store = NULL;
char *buf = NULL;
r = file_storage_get_basestore_for_username(username, &base_store);
if (r < 0) {
return r;
}
if (r < 0)
goto out;
len = fp_print_data_get_data(data, (guchar **) &buf);
if (!len) {
@ -115,27 +115,27 @@ int file_storage_print_data_save(struct fp_print_data *data,
path = __get_path_to_print(fp_print_data_get_driver_id(data), fp_print_data_get_devtype(data), finger, base_store);
dirpath = g_path_get_dirname(path);
r = g_mkdir_with_parents(dirpath, DIR_PERMS);
g_free(dirpath);
if (r < 0) {
g_free(base_store);
g_free(path);
g_free(dirpath);
return r;
goto out;
}
//fp_dbg("saving to %s", path);
g_file_set_contents(path, buf, len, &err);
free(buf);
g_free(dirpath);
g_free(path);
if (err) {
r = err->code;
//fp_err("save failed: %s", err->message);
g_error_free(err);
/* FIXME interpret error codes */
return r;
goto out;
}
return 0;
out:
g_clear_pointer(&buf, free);
g_clear_pointer(&base_store, g_free);
return r;
}
static int load_from_file(char *path, struct fp_print_data **data)