==========
checkpatch - FAILED

WARNING: line length of 90 exceeds 80 columns
#93: FILE: include/linux/filter.h:754:
+static inline struct bpf_net_context *bpf_net_ctx_set(struct bpf_net_context *bpf_net_ctx)

CHECK: Comparison to NULL could be written "ctx"
#98: FILE: include/linux/filter.h:759:
+	if (ctx != NULL)

WARNING: line length of 90 exceeds 80 columns
#124: FILE: include/linux/filter.h:785:
+static inline struct bpf_net_context *bpf_net_ctx_set(struct bpf_net_context *bpf_net_ctx)

CHECK: Comparison to NULL could be written "tsk->bpf_net_context"
#128: FILE: include/linux/filter.h:789:
+	if (tsk->bpf_net_context != NULL)

WARNING: line length of 88 exceeds 80 columns
#162: FILE: include/linux/filter.h:823:
+DEFINE_FREE(bpf_net_ctx_clear, struct bpf_net_context *, if (_T) bpf_net_ctx_clear(_T));

ERROR: trailing statements should be on next line
#162: FILE: include/linux/filter.h:823:
+DEFINE_FREE(bpf_net_ctx_clear, struct bpf_net_context *, if (_T) bpf_net_ctx_clear(_T));

WARNING: line length of 84 exceeds 80 columns
#472: FILE: net/core/filter.c:2534:
+	if (unlikely((flags & (~(BPF_F_INGRESS) | BPF_F_REDIRECT_INTERNAL)) || !ri))

total: 1 errors, 4 warnings, 2 checks, 517 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 e0c046a23ea4 ("net: Reference bpf_redirect_info via task_struct on PREEMPT_RT.") 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.