arm: error propagation of arm_jtag_set_instr

[fw/openocd] / src / target / etm.c

diff --git a/src/target/etm.c b/src/target/etm.c
index 61ee99a0403453ed90b0d92d73b8b0745a0e594f..5c42fb59a8f75b98b1646c8cb33905a6a49a62b9 100644 (file)
--- a/src/target/etm.c
+++ b/src/target/etm.c
@@ -496,6 +496,7 @@ static int etm_read_reg_w_check(struct reg *reg,
        const struct etm_reg_info *r = etm_reg->reg_info;
        uint8_t reg_addr = r->addr & 0x7f;
        struct scan_field fields[3];
+       int retval;
 
        if (etm_reg->reg_info->mode == WO) {
                LOG_ERROR("BUG: can't read write-only register %s", r->name);
@@ -505,7 +506,9 @@ static int etm_read_reg_w_check(struct reg *reg,
        LOG_DEBUG("%s (%u)", r->name, reg_addr);
 
        arm_jtag_scann(etm_reg->jtag_info, 0x6, TAP_IDLE);
-       arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+       retval = arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+       if (retval != ERROR_OK)
+               return retval;
 
        fields[0].num_bits = 32;
        fields[0].out_value = reg->value;
@@ -577,6 +580,7 @@ static int etm_write_reg(struct reg *reg, uint32_t value)
        const struct etm_reg_info *r = etm_reg->reg_info;
        uint8_t reg_addr = r->addr & 0x7f;
        struct scan_field fields[3];
+       int retval;
 
        if (etm_reg->reg_info->mode == RO) {
                LOG_ERROR("BUG: can't write read--only register %s", r->name);
@@ -586,7 +590,9 @@ static int etm_write_reg(struct reg *reg, uint32_t value)
        LOG_DEBUG("%s (%u): 0x%8.8" PRIx32 "", r->name, reg_addr, value);
 
        arm_jtag_scann(etm_reg->jtag_info, 0x6, TAP_IDLE);
-       arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+       retval = arm_jtag_set_instr(etm_reg->jtag_info, etm_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
+       if (retval != ERROR_OK)
+               return retval;
 
        fields[0].num_bits = 32;
        uint8_t tmp1[4];