WARNING: please, no spaces at the start of a line
#56: FILE: kernel/bpf/trampoline.c:197:
+       .ops_func = bpf_tramp_ftrace_ops_func,$

WARNING: line length of 103 exceeds 80 columns
#67: FILE: kernel/bpf/trampoline.c:207:
+		ret = unregister_ftrace_direct(&direct_ops, (unsigned long) ip, (long)old_addr, false);

CHECK: No space is necessary after a cast
#67: FILE: kernel/bpf/trampoline.c:207:
+		ret = unregister_ftrace_direct(&direct_ops, (unsigned long) ip, (long)old_addr, false);

WARNING: line length of 111 exceeds 80 columns
#76: FILE: kernel/bpf/trampoline.c:221:
+		ret = modify_ftrace_direct(&direct_ops, (unsigned long) ip, (long)new_addr, lock_direct_mutex);

CHECK: No space is necessary after a cast
#76: FILE: kernel/bpf/trampoline.c:221:
+		ret = modify_ftrace_direct(&direct_ops, (unsigned long) ip, (long)new_addr, lock_direct_mutex);

WARNING: line length of 93 exceeds 80 columns
#93: FILE: kernel/bpf/trampoline.c:240:
+		ret = register_ftrace_direct(&direct_ops, (unsigned long)ip, (long)new_addr);

total: 0 errors, 4 warnings, 2 checks, 86 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 a718e55f629d ("bpf: Remove ftrace_ops from bpf_trampoline object") 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, 2 checks, 86 lines checked