st-info: Add support for OpenOCD hla_serial printing

[fw/stlink] / src / stlink-common.c

diff --git a/src/stlink-common.c b/src/stlink-common.c
index 6d126d32071f58e132bf6922f1f0898e585f5048..18c76fb86c109b242d32c7f8080a88d67941ca60 100644 (file)
--- a/src/stlink-common.c
+++ b/src/stlink-common.c
@@ -481,6 +481,8 @@ static inline void write_flash_cr_bker_pnb(stlink_t *sl, uint32_t n) {
 
 void stlink_close(stlink_t *sl) {
     DLOG("*** stlink_close ***\n");
+    if (!sl)
+         return;
     sl->backend->close(sl);
     free(sl);
 }
@@ -732,7 +734,7 @@ int stlink_read_debug32(stlink_t *sl, uint32_t addr, uint32_t *data) {
 
     ret = sl->backend->read_debug32(sl, addr, data);
     if (!ret)
-           DLOG("*** stlink_read_debug32 %x is %#x\n", data, addr);
+           DLOG("*** stlink_read_debug32 %x is %#x\n", *data, addr);
 
        return ret;
 }