arm_jtag_scann error propagation fixes

[openocd.git] / src / target / embeddedice.c

diff --git a/src/target/embeddedice.c b/src/target/embeddedice.c
index 965260ca3f065060233b38ebd3cc8b91948debaa..abc49d7e6f729302db93f454f3e9e44de5420eaa 100644 (file)
--- a/src/target/embeddedice.c
+++ b/src/target/embeddedice.c
@@ -346,7 +346,9 @@ int embeddedice_read_reg_w_check(struct reg *reg,
        uint8_t field2_out[1];
        int retval;
 
-       arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
+       retval = arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
+       if (retval != ERROR_OK)
+               return retval;
 
        retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
@@ -410,7 +412,9 @@ int embeddedice_receive(struct arm_jtag *jtag_info, uint32_t *data, uint32_t siz
        uint8_t field2_out[1];
        int retval;
 
-       arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+       retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+       if (retval != ERROR_OK)
+               return retval;
        retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
@@ -497,7 +501,7 @@ void embeddedice_write_reg(struct reg *reg, uint32_t value)
 
        LOG_DEBUG("%i: 0x%8.8" PRIx32 "", ice_reg->addr, value);
 
-       arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
+       retval = arm_jtag_scann(ice_reg->jtag_info, 0x2, TAP_IDLE);
 
        retval = arm_jtag_set_instr(ice_reg->jtag_info, ice_reg->jtag_info->intest_instr, NULL, TAP_IDLE);
 
@@ -530,7 +534,9 @@ int embeddedice_send(struct arm_jtag *jtag_info, uint32_t *data, uint32_t size)
        uint8_t field2_out[1];
        int retval;
 
-       arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+       retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+       if (retval != ERROR_OK)
+               return retval;
        retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;
@@ -584,7 +590,9 @@ int embeddedice_handshake(struct arm_jtag *jtag_info, int hsbit, uint32_t timeou
        else
                return ERROR_INVALID_ARGUMENTS;
 
-       arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+       retval = arm_jtag_scann(jtag_info, 0x2, TAP_IDLE);
+       if (retval != ERROR_OK)
+               return retval;
        retval = arm_jtag_set_instr(jtag_info, jtag_info->intest_instr, NULL, TAP_IDLE);
        if (retval != ERROR_OK)
                return retval;