arm: mvebu: turris_{omnia, mox}: ensure running bootcmd_rescue always works

[platform/kernel/u-boot.git] / board / CZ.NIC / turris_mox / turris_mox.c

diff --git a/board/CZ.NIC/turris_mox/turris_mox.c b/board/CZ.NIC/turris_mox/turris_mox.c
index 44c272c..428cd23 100644 (file)
--- a/board/CZ.NIC/turris_mox/turris_mox.c
+++ b/board/CZ.NIC/turris_mox/turris_mox.c
@@ -440,10 +440,18 @@ static bool read_reset_button(void)
 
 static void handle_reset_button(void)
 {
+       const char * const vars[1] = { "bootcmd_rescue", };
+
+       /*
+        * Ensure that bootcmd_rescue has always stock value, so that running
+        *   run bootcmd_rescue
+        * always works correctly.
+        */
+       env_set_default_vars(1, (char * const *)vars, 0);
+
        if (read_reset_button()) {
-               const char * const vars[3] = {
+               const char * const vars[2] = {
                        "bootcmd",
-                       "bootcmd_rescue",
                        "distro_bootcmd",
                };
 
@@ -451,7 +459,7 @@ static void handle_reset_button(void)
                 * Set the above envs to their default values, in case the user
                 * managed to break them.
                 */
-               env_set_default_vars(3, (char * const *)vars, 0);
+               env_set_default_vars(2, (char * const *)vars, 0);
 
                /* Ensure bootcmd_rescue is used by distroboot */
                env_set("boot_targets", "rescue");