CHECK: Please use a blank line after function/struct/union/enum declarations
#62: FILE: include/linux/trace_events.h:811:
 }
+static inline int bpf_probe_override(struct bpf_raw_event_map *btp,

CHECK: Please use a blank line after function/struct/union/enum declarations
#103: FILE: include/linux/tracepoint.h:53:
 }
+extern int

WARNING: line length of 85 exceeds 80 columns
#163: FILE: kernel/bpf/syscall.c:4135:
+		if (strncpy_from_user(probe, user_probe_name, sizeof(probe) - 1) < 0)

WARNING: line length of 86 exceeds 80 columns
#215: FILE: kernel/bpf/syscall.c:5587:
+						     attr->link_create.tracing.cookie,

WARNING: line length of 86 exceeds 80 columns
#262: FILE: kernel/trace/bpf_trace.c:2338:
+	return tracepoint_probe_override(tp, (void *)btp->bpf_func, link, probe_name);

CHECK: Unnecessary parentheses around funcs[iter]
#295: FILE: kernel/tracepoint.c:145:
+			return &(funcs[iter]);

CHECK: Alignment should match open parenthesis
#315: FILE: kernel/tracepoint.c:165:
+		if (shots[iter].override.func == func->func &&
+		   shots[iter].override.data == func->data) {

CHECK: Unnecessary parentheses around shots[iter]
#317: FILE: kernel/tracepoint.c:167:
+			return &(shots[iter]);

CHECK: Alignment should match open parenthesis
#321: FILE: kernel/tracepoint.c:171:
+		if (shots[iter].orig.func == func->func &&
+		   shots[iter].orig.data == func->data) {

CHECK: Unnecessary parentheses around shots[iter]
#323: FILE: kernel/tracepoint.c:173:
+			return &(shots[iter]);

WARNING: line length of 81 exceeds 80 columns
#342: FILE: kernel/tracepoint.c:192:
+	for (nr_snapshots = 0; old[nr_snapshots].override.func; nr_snapshots++) {

CHECK: Unnecessary parentheses around old[nr_snapshots]
#343: FILE: kernel/tracepoint.c:193:
+		if (&(old[nr_snapshots]) == drop)

WARNING: line length of 95 exceeds 80 columns
#353: FILE: kernel/tracepoint.c:203:
+	new = kmalloc_array(nr_snapshots, sizeof(struct tracepoint_func_snapshot), GFP_KERNEL);

WARNING: line length of 93 exceeds 80 columns
#357: FILE: kernel/tracepoint.c:207:
+		memset(&(old[nr_snapshots - 1]), 0, sizeof(struct tracepoint_func_snapshot));

CHECK: Unnecessary parentheses around old[nr_snapshots - 1]
#357: FILE: kernel/tracepoint.c:207:
+		memset(&(old[nr_snapshots - 1]), 0, sizeof(struct tracepoint_func_snapshot));

WARNING: line length of 88 exceeds 80 columns
#385: FILE: kernel/tracepoint.c:235:
+	new = kmalloc_array(total, sizeof(struct tracepoint_func_snapshot), GFP_KERNEL);

CHECK: Unnecessary parentheses around tp->snapshot
#442: FILE: kernel/tracepoint.c:567:
+	ret = save_func_snapshot(&(tp->snapshot), &tp_func, target_func);

CHECK: Unnecessary parentheses around tp->snapshot
#468: FILE: kernel/tracepoint.c:669:
+	shot = find_func_snapshot(&(tp->snapshot), &tp_func, &is_override);

WARNING: line length of 83 exceeds 80 columns
#479: FILE: kernel/tracepoint.c:680:
+			ret = tracepoint_restore_func(tp, &tp_func, &(shot->orig));

CHECK: Unnecessary parentheses around shot->orig
#479: FILE: kernel/tracepoint.c:680:
+			ret = tracepoint_restore_func(tp, &tp_func, &(shot->orig));

CHECK: Unnecessary parentheses around shot->override
#487: FILE: kernel/tracepoint.c:688:
+			ret = tracepoint_remove_func(tp, &(shot->override));

CHECK: Unnecessary parentheses around tp->snapshot
#489: FILE: kernel/tracepoint.c:690:
+			drop_func_snapshot(&(tp->snapshot), shot);

total: 0 errors, 8 warnings, 14 checks, 412 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 3403e7636af1 ("bpf: Introduce BPF_PROG_TYPE_RAW_TRACEPOINT_OVERRIDE") 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, 8 warnings, 14 checks, 412 lines checked