WARNING: line length of 92 exceeds 80 columns
#50: FILE: kernel/bpf/trampoline.c:37:
+static struct bpf_trampoline *direct_ops_ip_lookup(struct ftrace_ops *ops, unsigned long ip)

WARNING: line length of 92 exceeds 80 columns
#67: FILE: kernel/bpf/trampoline.c:54:
+static struct bpf_trampoline *direct_ops_ip_lookup(struct ftrace_ops *ops, unsigned long ip)

CHECK: No space is necessary after a cast
#113: FILE: kernel/bpf/trampoline.c:190:
+	unsigned long ip, addr = (unsigned long) ptr;

WARNING: line length of 88 exceeds 80 columns
#153: FILE: kernel/bpf/trampoline.c:230:
+static int direct_ops_mod(struct bpf_trampoline *tr, void *addr, bool lock_direct_mutex)

WARNING: line length of 82 exceeds 80 columns
#159: FILE: kernel/bpf/trampoline.c:236:
+		err = update_ftrace_direct_mod(tr->fops, hash, lock_direct_mutex);

CHECK: No space is necessary after a cast
#190: FILE: kernel/bpf/trampoline.c:267:
+	unsigned long addr = (unsigned long) ptr;

WARNING: line length of 87 exceeds 80 columns
#208: FILE: kernel/bpf/trampoline.c:285:
+static int direct_ops_mod(struct bpf_trampoline *tr, void *ptr, bool lock_direct_mutex)

CHECK: No space is necessary after a cast
#210: FILE: kernel/bpf/trampoline.c:287:
+	unsigned long addr = (unsigned long) ptr;

total: 0 errors, 5 warnings, 3 checks, 276 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 354d7b037ed2 ("bpf,x86: Use single ftrace_ops for direct calls") 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, 3 checks, 276 lines checked