lib-fs: Fix logging old error when an unlogged error is replaced by new error

The old error was logged as "(null)" if the error happened in a non-root
(filter) file.

diff --git a/src/lib-fs/fs-api.c b/src/lib-fs/fs-api.c
index 67be9e6468f80d69d003f967ffe52f4ec6ee8633..59e05a99c9141d780c37d58acd667fdb34083c72 100644 (file)
--- a/src/lib-fs/fs-api.c
+++ b/src/lib-fs/fs-api.c
@@ -601,8 +601,8 @@ fs_set_verror(struct event *event, const char *fmt, va_list args)
 
        /* free old error after strdup in case args point to the old error */
        if (file != NULL) {
-               char *old_error = file->last_error;
                file = fs_file_get_error_file(file);
+               char *old_error = file->last_error;
 
                if (old_error != NULL && strcmp(old_error, new_error) == 0) {
                        /* identical error - ignore */