openocd: fix simple cases of NULL comparison

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

diff --git a/src/target/esirisc.c b/src/target/esirisc.c
index 9476b0fb485f08c8e8cb59c878f71d3b9fbb4107..d17e1ddff66a0649a475261810a439961a586911 100644 (file)
--- a/src/target/esirisc.c
+++ b/src/target/esirisc.c
@@ -539,7 +539,7 @@ static int esirisc_add_breakpoints(struct target *target)
 
        LOG_DEBUG("-");
 
-       while (breakpoint != NULL) {
+       while (breakpoint) {
                if (breakpoint->set == 0)
                        esirisc_add_breakpoint(target, breakpoint);
 
@@ -723,7 +723,7 @@ static int esirisc_add_watchpoints(struct target *target)
 
        LOG_DEBUG("-");
 
-       while (watchpoint != NULL) {
+       while (watchpoint) {
                if (watchpoint->set == 0)
                        esirisc_add_watchpoint(target, watchpoint);
 
@@ -890,7 +890,7 @@ static int esirisc_resume_or_step(struct target *target, int current, target_add
 
        if (handle_breakpoints) {
                breakpoint = breakpoint_find(target, address);
-               if (breakpoint != NULL)
+               if (breakpoint)
                        esirisc_remove_breakpoint(target, breakpoint);
        }
 
@@ -1061,7 +1061,7 @@ static int esirisc_debug_entry(struct target *target)
                        case EID_INST_BREAKPOINT:
                                breakpoint = breakpoint_find(target,
                                                buf_get_u32(esirisc->epc->value, 0, esirisc->epc->size));
-                               target->debug_reason = (breakpoint != NULL) ?
+                               target->debug_reason = (breakpoint) ?
                                                DBG_REASON_BREAKPOINT : DBG_REASON_DBGRQ;
                                break;
 
@@ -1561,7 +1561,7 @@ static int esirisc_target_create(struct target *target, Jim_Interp *interp)
        struct jtag_tap *tap = target->tap;
        struct esirisc_common *esirisc;
 
-       if (tap == NULL)
+       if (!tap)
                return ERROR_FAIL;
 
        if (tap->ir_length != INSTR_LENGTH) {
@@ -1571,7 +1571,7 @@ static int esirisc_target_create(struct target *target, Jim_Interp *interp)
        }
 
        esirisc = calloc(1, sizeof(struct esirisc_common));
-       if (esirisc == NULL)
+       if (!esirisc)
                return ERROR_FAIL;
 
        esirisc->target = target;