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Date: Tue, 19 Feb 2019 12:02:57 +0100 (CET)
From: checkpatch@dpdk.org
Subject: [dpdk-test-report] |WARNING| pw50364 [4/5] net/virtio: introduce a
	helper for clearing net header
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Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/50364

_coding style issues_


CHECK:MACRO_ARG_REUSE: Macro argument reuse '_hdr' - possible side-effects?
#34: FILE: drivers/net/virtio/virtio_rxtx.c:522:
+#define virtqueue_clear_net_hdr(_hdr) do {		\
+	ASSIGN_UNLESS_EQUAL((_hdr)->csum_start, 0);	\
+	ASSIGN_UNLESS_EQUAL((_hdr)->csum_offset, 0);	\
+	ASSIGN_UNLESS_EQUAL((_hdr)->flags, 0);		\
+	ASSIGN_UNLESS_EQUAL((_hdr)->gso_type, 0);	\
+	ASSIGN_UNLESS_EQUAL((_hdr)->gso_size, 0);	\
+	ASSIGN_UNLESS_EQUAL((_hdr)->hdr_len, 0);	\
+} while (0)

total: 0 errors, 0 warnings, 1 checks, 70 lines checked