WARNING: line length of 85 exceeds 80 columns
#41: FILE: kernel/bpf/helpers.c:1357:
+static int bpf_async_update_prog_callback(struct bpf_async_cb *cb, void *callback_fn,

WARNING: line length of 94 exceeds 80 columns
#46: FILE: kernel/bpf/helpers.c:1362:
+	/* Acquire a guard reference on prog to prevent it from being freed during the loop */

WARNING: line length of 84 exceeds 80 columns
#60: FILE: kernel/bpf/helpers.c:1376:
+		 * Release previous prog, make sure that if other CPU is contending,

WARNING: line length of 92 exceeds 80 columns
#61: FILE: kernel/bpf/helpers.c:1377:
+		 * to set bpf_prog, references are not leaked as each iteration acquires and

WARNING: line length of 91 exceeds 80 columns
#67: FILE: kernel/bpf/helpers.c:1383:
+	} while (READ_ONCE(cb->prog) != prog || READ_ONCE(cb->callback_fn) != callback_fn);

total: 0 errors, 5 warnings, 0 checks, 100 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 f5fe61282670 ("bpf: Introduce lock-free bpf_async_update_prog_callback()") 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, 5 warnings, 0 checks, 100 lines checked