|WARNING| pw163846 [PATCH v3 08/20] net/txgbe: fix link flow control registers for Amber-Lite

[checkpatch at dpdk.org]

Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/163846

_coding style issues_


CHECK:MACRO_ARG_REUSE: Macro argument reuse 'last' - possible side-effects?
#144: FILE: drivers/net/txgbe/txgbe_ethdev.c:2267:
+#define TXGBE_UPDATE_COUNTER_32BIT_GENERIC(reg, last, count, reset)  \
+	do {                                                            \
+		uint32_t current = rd32(hw, reg);                       \
+		if ((current) < (last))                                 \
+			current += 0x100000000ULL;                      \
+		if (reset)                                           \
+			(last) = current;                               \
+		(count) = (uint32_t)((current) - (last));               \
+	} while (0)

total: 0 errors, 0 warnings, 1 checks, 78 lines checked