CHECK: Please don't use multiple blank lines
#139: FILE: kernel/bpf/verifier.c:6048:
+
+

WARNING: line length of 91 exceeds 80 columns
#175: FILE: kernel/bpf/verifier.c:6117:
+				verbose(env, "stack size of subprog %d is %d. Too large\n",

WARNING: line length of 97 exceeds 80 columns
#207: FILE: kernel/bpf/verifier.c:6239:
+			ret = check_max_stack_depth_subprog(env, i, &subtree_depth, &depth_frame,

WARNING: line length of 82 exceeds 80 columns
#208: FILE: kernel/bpf/verifier.c:6240:
+							    priv_stack_supported);

WARNING: line length of 85 exceeds 80 columns
#215: FILE: kernel/bpf/verifier.c:6246:
+	if (priv_stack_supported == NO_PRIV_STACK && subtree_depth > MAX_BPF_STACK) {

total: 0 errors, 4 warnings, 1 checks, 154 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 b4436b803943 ("bpf: Allow private stack to have each subprog having stack size of 512 bytes") 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, 4 warnings, 1 checks, 154 lines checked