[dpdk-test-report] |WARNING| pw69680 [PATCH 3/8] trace: simplify trace point headers
checkpatch at dpdk.org
checkpatch at dpdk.org
Sun May 3 22:33:49 CEST 2020
Test-Label: checkpatch
Test-Status: WARNING
http://dpdk.org/patch/69680
_coding style issues_
WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#322: FILE: lib/librte_eal/include/rte_trace_point.h:343:
+#define __rte_trace_point_emit_header_generic(t) \
+void *mem; \
+do { \
+ const uint64_t val = __atomic_load_n(t, __ATOMIC_ACQUIRE); \
+ if (likely(!(val & __RTE_TRACE_FIELD_ENABLE_MASK))) \
+ return; \
+ mem = __rte_trace_mem_get(val); \
+ if (unlikely(mem == NULL)) \
+ return; \
+ mem = __rte_trace_point_emit_ev_header(mem, val); \
+} while (0)
ERROR:MULTISTATEMENT_MACRO_USE_DO_WHILE: Macros starting with if should be enclosed by a do - while loop to avoid possible if/else logic defects
#334: FILE: lib/librte_eal/include/rte_trace_point.h:355:
+#define __rte_trace_point_emit_header_fp(t) \
+ if (!__rte_trace_point_fp_is_enabled()) \
+ return; \
+ __rte_trace_point_emit_header_generic(t)
WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#334: FILE: lib/librte_eal/include/rte_trace_point.h:355:
+#define __rte_trace_point_emit_header_fp(t) \
+ if (!__rte_trace_point_fp_is_enabled()) \
+ return; \
+ __rte_trace_point_emit_header_generic(t)
WARNING:MACRO_WITH_FLOW_CONTROL: Macros with flow control statements should be avoided
#345: FILE: lib/librte_eal/include/rte_trace_point.h:366:
+#define rte_trace_point_emit_string(in) \
+do { \
+ if (unlikely(in == NULL)) \
+ return; \
+ rte_strscpy(mem, in, __RTE_TRACE_EMIT_STRING_LEN_MAX); \
+ mem = RTE_PTR_ADD(mem, __RTE_TRACE_EMIT_STRING_LEN_MAX); \
+} while (0)
total: 1 errors, 3 warnings, 284 lines checked
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