From 1bca0323d9309813d14f0098f1a98f90772a1db8 Mon Sep 17 00:00:00 2001
From: Rafael Silva <perigoso@riseup.net>
Date: Mon, 27 Jun 2022 11:25:02 +0100
Subject: [PATCH] target/sam3x: saner uninitialized variable prevention

Signed-off-by: Rafael Silva <perigoso@riseup.net>
---
 src/target/sam3x.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/target/sam3x.c b/src/target/sam3x.c
index 3d46910..fbc2f71 100644
--- a/src/target/sam3x.c
+++ b/src/target/sam3x.c
@@ -622,6 +622,9 @@ static bool sam_cmd_gpnvm(target *t, int argc, const char **argv)
 		gpnvm_mask = 0x1BF;
 		base = SAMX7X_EEFC_BASE;
 		break;
+	default:
+		/* unknown / invalid driver*/
+		goto bad_usage;
 	}
 
 	uint32_t mask = 0, values = 0;