[PATCH v2 5/6] app/testpmd: replace comma operator with bracket

[Stephen Hemminger <stephen@networkplumber.org>]

Use while with brackets in favor of comma operator.

In flow print replace with temporary variable.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 app/test-pmd/cmdline_flow.c |  6 ++++--
 app/test-pmd/config.c       | 10 ++++++----
 2 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/app/test-pmd/cmdline_flow.c b/app/test-pmd/cmdline_flow.c
index 83d398f8ee..a54463f718 100644
--- a/app/test-pmd/cmdline_flow.c
+++ b/app/test-pmd/cmdline_flow.c
@@ -8333,8 +8333,10 @@ parse_prefix(struct context *ctx, const struct token *token,
 		if (!ctx->object)
 			return len;
 		extra -= u;
-		while (u--)
-			(v <<= 1, v |= 1);
+		while (u--) {
+			v <<= 1;
+			v |= 1;
+		}
 		v <<= extra;
 		if (!arg_entry_bf_fill(ctx->object, v, arg) ||
 		    !arg_entry_bf_fill(ctx->objmask, -1, arg))
diff --git a/app/test-pmd/config.c b/app/test-pmd/config.c
index 0fda8e99f8..14af69bce5 100644
--- a/app/test-pmd/config.c
+++ b/app/test-pmd/config.c
@@ -1497,7 +1497,7 @@ port_flow_complain(struct rte_flow_error *error)
 		[RTE_FLOW_ERROR_TYPE_ACTION] = "specific action",
 	};
 	const char *errstr;
-	char buf[32];
+	char cause_buf[32] = "";
 	int err = rte_errno;
 
 	if ((unsigned int)error->type >= RTE_DIM(errstrlist) ||
@@ -1505,10 +1505,12 @@ port_flow_complain(struct rte_flow_error *error)
 		errstr = "unknown type";
 	else
 		errstr = errstrlist[error->type];
+
+	if (error->cause)
+		snprintf(cause_buf, sizeof(cause_buf), "cause: %p, ", error->cause);
+
 	fprintf(stderr, "%s(): Caught PMD error type %d (%s): %s%s: %s\n",
-		__func__, error->type, errstr,
-		error->cause ? (snprintf(buf, sizeof(buf), "cause: %p, ",
-					 error->cause), buf) : "",
+		__func__, error->type, errstr, cause_buf,
 		error->message ? error->message : "(no stated reason)",
 		rte_strerror(err));
 
-- 
2.47.2