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armv7m: Improve armv7m_blank_check_memory() error handling 

Clean up the working area in case writing fails.
Adapted from armv7m_checksum_memory().

Change-Id: I4e5950f568ed70a72a1dcfd77e3321110b17e1de
Signed-off-by: Andreas Färber <afaerber@suse.de>
Reviewed-on: http://openocd.zylin.com/3469
Tested-by: jenkins
Reviewed-by: Tomas Vanek <vanekt@fbl.cz>
This commit is contained in:
Andreas Färber 2016-05-08 16:46:03 +02:00 committed by Freddie Chopin
parent 866774a690
commit 4f2cc02d27
1 changed files with 2 additions and 1 deletions
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3
src/target/armv7m.c
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@ -781,7 +781,7 @@ int armv7m_blank_check_memory(struct target *target,
retval = target_write_buffer(target, erase_check_algorithm->address,
sizeof(erase_check_code), (uint8_t *)erase_check_code);
if (retval != ERROR_OK)
return retval;
goto cleanup;
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARM_MODE_THREAD;
@ -812,6 +812,7 @@ int armv7m_blank_check_memory(struct target *target,
destroy_reg_param(&reg_params[1]);
destroy_reg_param(&reg_params[2]);
cleanup:
target_free_working_area(target, erase_check_algorithm);
return retval;