CHECK: extern prototypes should be avoided in .h files
#48: FILE: drivers/hid/bpf/progs/hid_bpf_helpers.h:36:
+extern int bpf_wq_set_callback(struct bpf_wq *wq,

CHECK: Alignment should match open parenthesis
#49: FILE: drivers/hid/bpf/progs/hid_bpf_helpers.h:37:
+extern int bpf_wq_set_callback(struct bpf_wq *wq,
+		int (*callback_fn)(void *, int *, void *),

CHECK: extern prototypes should be avoided in .h files
#67: FILE: tools/testing/selftests/hid/progs/hid_bpf_helpers.h:119:
+extern int bpf_wq_set_callback(struct bpf_wq *wq,

CHECK: Alignment should match open parenthesis
#68: FILE: tools/testing/selftests/hid/progs/hid_bpf_helpers.h:120:
+extern int bpf_wq_set_callback(struct bpf_wq *wq,
+		int (*callback_fn)(void *, int *, void *),

total: 0 errors, 0 warnings, 4 checks, 27 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 8ffa2ca877ef ("HID: Use bpf_wq_set_callback kernel function") 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, 4 checks, 27 lines checked