cmd_mtdparts.c: prevent printbuffer overflows
The length of configured MTDPARTS_DEFAULT string
could be greater than console printbuffer size.
Replace printf() by puts() to avoid potential buffer
overflows.
Signed-off-by: Anatolij Gustschin <agust@denx.de>
diff --git a/common/cmd_mtdparts.c b/common/cmd_mtdparts.c
index b375fea..20fed2a 100644
--- a/common/cmd_mtdparts.c
+++ b/common/cmd_mtdparts.c
@@ -1254,8 +1254,14 @@
printf("\ndefaults:\n");
printf("mtdids : %s\n",
mtdids_default ? mtdids_default : "none");
- printf("mtdparts: %s\n",
- mtdparts_default ? mtdparts_default : "none");
+ /*
+ * Using printf() here results in printbuffer overflow
+ * if default mtdparts string is greater than console
+ * printbuffer. Use puts() to prevent system crashes.
+ */
+ puts("mtdparts: ");
+ puts(mtdparts_default ? mtdparts_default : "none");
+ puts("\n");
}
/**