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stlink: check read_reg result

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Change-Id: I284824aa6f5eae8f6e910a482e9f7435e649fc0d
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/657
Reviewed-by: Peter Stuge <peter@stuge.se>
Tested-by: jenkins
This commit is contained in:
Spencer Oliver 2012-05-22 12:33:40 +01:00 committed by Peter Stuge
parent 5cc004180b
commit b908538998
1 changed files with 2 additions and 0 deletions
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2
src/target/stm32_stlink.c
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@ -111,6 +111,8 @@ static int stm32_stlink_load_core_reg_u32(struct target *target,
* it was removed from r1 docs, but still works.
*/
retval = stlink_if->layout->api->read_reg(stlink_if->fd, 20, value);
if (retval != ERROR_OK)
return retval;
switch (num) {
case ARMV7M_PRIMASK: