CHECK: Unnecessary parentheses around prog->active
#31: FILE: include/linux/bpf.h:2009:
+	return this_cpu_inc_return(*(prog->active)) == 1;

CHECK: Unnecessary parentheses around prog->active
#36: FILE: include/linux/bpf.h:2014:
+	this_cpu_dec(*(prog->active));

total: 0 errors, 0 warnings, 2 checks, 64 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 21cb9eec5a6f ("bpf: move recursion detection logic to helpers") has style problems, please review.

NOTE: Ignored message types: ALLOC_SIZEOF_STRUCT BAD_REPORTED_BY_LINK CAMELCASE COMMIT_LOG_LONG_LINE FILE_PATH_CHANGES 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, 64 lines checked