ti-icdi: catch failed icdi_send_cmd

warnings detected by clang.

Change-Id: I1532bcc12a8ab7446646dfb2a7afa8894ff03679
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1180
Tested-by: jenkins
Reviewed-by: Xiaofan <xiaofanc@gmail.com>
Reviewed-by: Freddie Chopin <freddie.chopin@gmail.com>

diff --git a/src/jtag/drivers/ti_icdi_usb.c b/src/jtag/drivers/ti_icdi_usb.c
index 672952237153e3aa6bc201888d0cd75b7094e73c..dcffd2fba02e7f0d3aface879304d93edc78869b 100644 (file)
--- a/src/jtag/drivers/ti_icdi_usb.c
+++ b/src/jtag/drivers/ti_icdi_usb.c
@@ -346,6 +346,8 @@ static int icdi_usb_query(void *handle)
        h = (struct icdi_usb_handle_s *)handle;
 
        result = icdi_send_cmd(handle, "qSupported");
+       if (result != ERROR_OK)
+               return result;
 
        /* check result */
        result = icdi_get_cmd_result(handle);
@@ -412,6 +414,8 @@ static int icdi_usb_run(void *handle)
 
        /* resume target at current address */
        result = icdi_send_cmd(handle, "c");
+       if (result != ERROR_OK)
+               return result;
 
        /* check result */
        result = icdi_get_cmd_result(handle);
@@ -429,6 +433,8 @@ static int icdi_usb_halt(void *handle)
 
        /* this query halts the target ?? */
        result = icdi_send_cmd(handle, "?");
+       if (result != ERROR_OK)
+               return result;
 
        /* check result */
        result = icdi_get_cmd_result(handle);
@@ -446,6 +452,8 @@ static int icdi_usb_step(void *handle)
 
        /* step target at current address */
        result = icdi_send_cmd(handle, "s");
+       if (result != ERROR_OK)
+               return result;
 
        /* check result */
        result = icdi_get_cmd_result(handle);