[PATCH]: 387678ba7 target/target: Check checksum_memory before call

[gerrit]

This is an automated email from Gerrit.

"Yasushi SHOJI <yasushi.sh...@gmail.com>" just uploaded a new patch set to 
Gerrit, which you can find at https://review.openocd.org/c/openocd/+/6758

-- gerrit

commit 387678ba7be7fe6910b2c2237f2e5c5da8d98ac6
Author: Yasushi SHOJI <ya...@spacecubics.com>
Date:   Mon Nov 29 22:33:27 2021 +0900

    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 <ya...@spacecubics.com>

diff --git a/src/target/target.c b/src/target/target.c
index ed6f655ea..bced08d25 100644
--- a/src/target/target.c
+++ b/src/target/target.c
@@ -2531,6 +2531,10 @@ 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) {

--