From: Yasushi SHOJI <yashi@spacecubics.com>
Date: Mon, 29 Nov 2021 13:33:27 +0000 (+0900)
Subject: target/target: Check checksum_memory before call
X-Git-Url: https://git.gag.com/?a=commitdiff_plain;h=d7142a57271079eca8e1c15034b74499ff4e3ef5;p=fw%2Fopenocd

target/target: Check checksum_memory before call

Make sure checksum_memory is present.  Otherwise it'll segfault.

Change-Id: If31123323bd8a03282da43505c9604fde735ad0e
Signed-off-by: Yasushi SHOJI <yashi@spacecubics.com>
Reviewed-on: https://review.openocd.org/c/openocd/+/6758
Tested-by: jenkins
Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
---

diff --git a/src/target/target.c b/src/target/target.c
index 27888a83e..e9cbe39b7 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -2530,6 +2530,10 @@ int target_checksum_memory(struct target *target, target_addr_t address, uint32_
 		LOG_ERROR("Target not examined yet");
 		return ERROR_FAIL;
 	}
+	if (!target->type->checksum_memory) {
+		LOG_ERROR("Target %s doesn't support checksum_memory", target_name(target));
+		return ERROR_FAIL;
+	}
 
 	retval = target->type->checksum_memory(target, address, size, &checksum);
 	if (retval != ERROR_OK) {