|WARNING| pw152475 [PATCH v5 14/14] net/zxdh: fix debugging errors

checkpatch at dpdk.org checkpatch at dpdk.org
Wed Mar 19 10:19:05 CET 2025


Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/152475

_coding style issues_


CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'fld' may be better as '(fld)' to avoid precedence issues
#137: FILE: drivers/net/zxdh/zxdh_common.h:68:
+#define __zxdh_bit_sz(typ, fld) sizeof(__zxdh_nullp(typ)->fld)

CHECK:MACRO_ARG_PRECEDENCE: Macro argument 'fld' may be better as '(fld)' to avoid precedence issues
#138: FILE: drivers/net/zxdh/zxdh_common.h:69:
+#define __zxdh_bit_off(typ, fld) ((unsigned int)(uintptr_t) \
+				  (&(__zxdh_nullp(typ)->fld)))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'typ' - possible side-effects?
#140: FILE: drivers/net/zxdh/zxdh_common.h:71:
+#define __zxdh_dw_bit_off(typ, fld) (32 - __zxdh_bit_sz(typ, fld) - \
+				    (__zxdh_bit_off(typ, fld) & 0x1f))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fld' - possible side-effects?
#140: FILE: drivers/net/zxdh/zxdh_common.h:71:
+#define __zxdh_dw_bit_off(typ, fld) (32 - __zxdh_bit_sz(typ, fld) - \
+				    (__zxdh_bit_off(typ, fld) & 0x1f))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'typ' - possible side-effects?
#144: FILE: drivers/net/zxdh/zxdh_common.h:75:
+#define __zxdh_dw_mask(typ, fld) (__zxdh_mask(typ, fld) << \
+				  __zxdh_dw_bit_off(typ, fld))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fld' - possible side-effects?
#144: FILE: drivers/net/zxdh/zxdh_common.h:75:
+#define __zxdh_dw_mask(typ, fld) (__zxdh_mask(typ, fld) << \
+				  __zxdh_dw_bit_off(typ, fld))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'typ' - possible side-effects?
#148: FILE: drivers/net/zxdh/zxdh_common.h:79:
+#define __zxdh_16_bit_off(typ, fld) (16 - __zxdh_bit_sz(typ, fld) - \
+				    (__zxdh_bit_off(typ, fld) & 0xf))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fld' - possible side-effects?
#148: FILE: drivers/net/zxdh/zxdh_common.h:79:
+#define __zxdh_16_bit_off(typ, fld) (16 - __zxdh_bit_sz(typ, fld) - \
+				    (__zxdh_bit_off(typ, fld) & 0xf))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'typ' - possible side-effects?
#151: FILE: drivers/net/zxdh/zxdh_common.h:82:
+#define __zxdh_16_mask(typ, fld) (__zxdh_mask16(typ, fld) << \
+				  __zxdh_16_bit_off(typ, fld))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fld' - possible side-effects?
#151: FILE: drivers/net/zxdh/zxdh_common.h:82:
+#define __zxdh_16_mask(typ, fld) (__zxdh_mask16(typ, fld) << \
+				  __zxdh_16_bit_off(typ, fld))

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'typ' - possible side-effects?
#163: FILE: drivers/net/zxdh/zxdh_common.h:94:
+#define ZXDH_SET(typ, p, fld, v) do { \
+	BUILD_BUG_ON(__zxdh_bit_sz(typ, fld) % 8); \
+	uint32_t fld_sz = __zxdh_bit_sz(typ, fld) / 8; \
+	uint8_t *addr = ZXDH_ADDR_OF(typ, p, fld); \
+	zxdh_set_value(fld_sz, addr, v); \
+} while (0)

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fld' - possible side-effects?
#163: FILE: drivers/net/zxdh/zxdh_common.h:94:
+#define ZXDH_SET(typ, p, fld, v) do { \
+	BUILD_BUG_ON(__zxdh_bit_sz(typ, fld) % 8); \
+	uint32_t fld_sz = __zxdh_bit_sz(typ, fld) / 8; \
+	uint8_t *addr = ZXDH_ADDR_OF(typ, p, fld); \
+	zxdh_set_value(fld_sz, addr, v); \
+} while (0)

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'typ' - possible side-effects?
#170: FILE: drivers/net/zxdh/zxdh_common.h:101:
+#define ZXDH_GET(typ, p, fld) ({ \
+	BUILD_BUG_ON(__zxdh_bit_sz(typ, fld) % 8); \
+	uint32_t fld_sz = __zxdh_bit_sz(typ, fld) / 8; \
+	uint8_t *addr = ZXDH_ADDR_OF(typ, p, fld); \
+	zxdh_get_value(fld_sz, addr); \
+})

CHECK:MACRO_ARG_REUSE: Macro argument reuse 'fld' - possible side-effects?
#170: FILE: drivers/net/zxdh/zxdh_common.h:101:
+#define ZXDH_GET(typ, p, fld) ({ \
+	BUILD_BUG_ON(__zxdh_bit_sz(typ, fld) % 8); \
+	uint32_t fld_sz = __zxdh_bit_sz(typ, fld) / 8; \
+	uint8_t *addr = ZXDH_ADDR_OF(typ, p, fld); \
+	zxdh_get_value(fld_sz, addr); \
+})

total: 0 errors, 0 warnings, 14 checks, 2268 lines checked
Warning in drivers/net/zxdh/zxdh_common.h:
Writing to stdout or stderr
Warning in drivers/net/zxdh/zxdh_common.h:
Using __builtin helpers, prefer EAL macros


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