adi_jtag_ error propagation

Signed-off-by: Øyvind Harboe <oyvind.harboe@zylin.com>

diff --git a/src/target/adi_v5_jtag.c b/src/target/adi_v5_jtag.c
index 185bd54375baae01997a8de3aa663466b6ae4350..8731a1a0970e6e9686108d8d114a36b71bdc1cb0 100644 (file)
--- a/src/target/adi_v5_jtag.c
+++ b/src/target/adi_v5_jtag.c
@@ -211,8 +211,10 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
        /* Post CTRL/STAT read; discard any previous posted read value
         * but collect its ACK status.
         */
-       adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
+       retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
                        DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat);
+       if (retval != ERROR_OK)
+               return retval;
        if ((retval = jtag_execute_queue()) != ERROR_OK)
                return retval;
 
@@ -246,8 +248,10 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
                                return ERROR_JTAG_DEVICE_ERROR;
                        }
 
-                       adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
+                       retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
                                        DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat);
+                       if (retval != ERROR_OK)
+                               return retval;
                        if ((retval = dap_run(dap)) != ERROR_OK)
                                return retval;
                        dap->ack = dap->ack & 0x7;
@@ -292,12 +296,16 @@ static int jtagdp_transaction_endcheck(struct adiv5_dap *dap)
                                LOG_ERROR("JTAG-DP STICKY ERROR");
 
                        /* Clear Sticky Error Bits */
-                       adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
+                       retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
                                        DP_CTRL_STAT, DPAP_WRITE,
                                        dap->dp_ctrl_stat | SSTICKYORUN
                                                | SSTICKYERR, NULL);
-                       adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
+                       if (retval != ERROR_OK)
+                               return retval;
+                       retval = adi_jtag_scan_inout_check_u32(dap, JTAG_DP_DPACC,
                                        DP_CTRL_STAT, DPAP_READ, 0, &ctrlstat);
+                       if (retval != ERROR_OK)
+                               return retval;
                        if ((retval = dap_run(dap)) != ERROR_OK)
                                return retval;