CHECK: Macro argument 'd' may be better as '(d)' to avoid precedence issues
#188: FILE: tools/lib/bpf/libbpf_utils.c:174:
+#define SHA256_ROUND(i, a, b, c, d, e, f, g, h)                                \
+	{                                                                      \
+		__u32 tmp = h + Sigma_1(e) + Ch(e, f, g) + sha256_K[i] + w[i]; \
+		d += tmp;                                                      \
+		h = tmp + Sigma_0(a) + Maj(a, b, c);                           \
+	}

CHECK: Macro argument 'h' may be better as '(h)' to avoid precedence issues
#188: FILE: tools/lib/bpf/libbpf_utils.c:174:
+#define SHA256_ROUND(i, a, b, c, d, e, f, g, h)                                \
+	{                                                                      \
+		__u32 tmp = h + Sigma_1(e) + Ch(e, f, g) + sha256_K[i] + w[i]; \
+		d += tmp;                                                      \
+		h = tmp + Sigma_0(a) + Maj(a, b, c);                           \
+	}

total: 0 errors, 0 warnings, 2 checks, 125 lines checked

NOTE: For some of the reported defects, checkpatch may be able to
      mechanically convert to the typical style using --fix or --fix-inplace.

Commit 93e8267dc912 ("libbpf: move libbpf_sha256() implementation into libbpf_utils.c") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE GIT_COMMIT_ID MACRO_ARG_REUSE NO_AUTHOR_SIGN_OFF

NOTE: If any of the errors are false positives, please report
      them to the maintainer, see CHECKPATCH in MAINTAINERS.
total: 0 errors, 0 warnings, 2 checks, 125 lines checked