lib: do not pass NULL string pointer to printf

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

diff --git a/src/lib/compress.c b/src/lib/compress.c
index bc41afc613932c2b55052b9519bfeca47d760594..c0b547bb978ec45791d023f38ad47fde5a2ffc8b 100644 (file)
--- a/src/lib/compress.c
+++ b/src/lib/compress.c
@@ -141,7 +141,7 @@ static int populate_compress_plugin_ops(struct compress *compress, const char *n
        err = dlerror();
        if (err || compress->ops == NULL) {
                fprintf(stderr, "%s: dlsym to ops failed, err = '%s'\n",
-                               __func__, err);
+                               __func__, err ? err : "N/A");
                dlclose(dl_hdl);
                return -1;
        }