WARNING: line length of 96 exceeds 80 columns
#105: FILE: kernel/bpf/helpers.c:1340:
+		/* Lost the race to initialize this bpf_async_kern, drop the allocated object */

WARNING: line length of 87 exceeds 80 columns
#187: FILE: kernel/bpf/helpers.c:1441:
+		 * cb is freed concurrently, we may have overwritten prog and callback,

WARNING: line length of 83 exceeds 80 columns
#223: FILE: kernel/bpf/helpers.c:1485:
+BPF_CALL_3(bpf_timer_start, struct bpf_async_kern *, async, u64, nsecs, u64, flags)

WARNING: line length of 87 exceeds 80 columns
#245: FILE: kernel/bpf/helpers.c:1503:
+	 * Hold ref while scheduling timer, to make sure, we only cancel and free after

WARNING: line length of 82 exceeds 80 columns
#349: FILE: kernel/bpf/helpers.c:1612:
+	/* cb is detached, set state to FREED, so that concurrent users drop it */

total: 0 errors, 5 warnings, 0 checks, 331 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 d90aa0e2708f ("bpf: remove lock from bpf_async_cb") 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, 331 lines checked