Merge pull request #83 from troxor/disk-by-label

Fix segfault on invalid label
brndnmtthws · Mar 9, 2015 · 9c83366 · 9c83366
2 parents 85aca29 + 9fd4090
commit 9c83366
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/diskio.cc b/src/diskio.cc
@@ -72,7 +72,9 @@ struct diskio_stat *prepare_diskio_stat(const char *s)
 
 		char * rpbuf;
 		rpbuf = realpath(&device_name[0], NULL);
-		strncpy(&device_s[0], rpbuf, text_buffer_size.get(*state));
+		if (rpbuf) {
+			strncpy(&device_s[0], rpbuf, text_buffer_size.get(*state));
+		}
 		free(rpbuf);
 
 	} else {