target: fix null pointer exception

check if no target is selected and return error.

Change-Id: Ie8abb63c708d09572b45e88fc6766af108715077
Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>
Reviewed-on: http://openocd.zylin.com/148
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>
__archive__
Øyvind Harboe 2011-11-01 22:00:46 +01:00 committed by Spencer Oliver
parent 889a306fc8
commit 06216744ed
1 changed files with 14 additions and 2 deletions

View File

@ -741,7 +741,13 @@ COMMAND_HANDLER(handle_arm_disassemble_command)
{
int retval = ERROR_OK;
struct target *target = get_current_target(CMD_CTX);
struct arm *arm = target ? target_to_arm(target) : NULL;
if (target == NULL) {
LOG_ERROR("No target selected");
return ERROR_FAIL;
}
struct arm *arm = target_to_arm(target);
uint32_t address;
int count = 1;
int thumb = 0;
@ -946,7 +952,13 @@ static int jim_mcrmrc(Jim_Interp *interp, int argc, Jim_Obj *const *argv)
COMMAND_HANDLER(handle_arm_semihosting_command)
{
struct target *target = get_current_target(CMD_CTX);
struct arm *arm = target ? target_to_arm(target) : NULL;
if (target == NULL) {
LOG_ERROR("No target selected");
return ERROR_FAIL;
}
struct arm *arm = target_to_arm(target);
if (!is_arm(arm)) {
command_print(CMD_CTX, "current target isn't an ARM");