WARNING: line length of 81 exceeds 80 columns
#102: FILE: include/net/smc.h:92:
+#define smc_call_hsbpf(init_val, tp, func, ...) ({				\

CHECK: Macro argument 'func' may be better as '(func)' to avoid precedence issues
#102: FILE: include/net/smc.h:92:
+#define smc_call_hsbpf(init_val, tp, func, ...) ({				\
+	typeof(init_val) __ret = (init_val);					\
+	struct smc_hs_ctrl *ctrl;						\
+	rcu_read_lock();							\
+	ctrl = rcu_dereference(sock_net((struct sock *)(tp))->smc.hs_ctrl);	\
+	if (ctrl && ctrl->func)							\
+		__ret = ctrl->func(tp, ##__VA_ARGS__);				\
+	rcu_read_unlock();							\
+	__ret;									\
+})

WARNING: line length of 81 exceeds 80 columns
#103: FILE: include/net/smc.h:93:
+	typeof(init_val) __ret = (init_val);					\

WARNING: line length of 81 exceeds 80 columns
#104: FILE: include/net/smc.h:94:
+	struct smc_hs_ctrl *ctrl;						\

WARNING: line length of 81 exceeds 80 columns
#105: FILE: include/net/smc.h:95:
+	rcu_read_lock();							\

WARNING: line length of 81 exceeds 80 columns
#106: FILE: include/net/smc.h:96:
+	ctrl = rcu_dereference(sock_net((struct sock *)(tp))->smc.hs_ctrl);	\

WARNING: line length of 81 exceeds 80 columns
#107: FILE: include/net/smc.h:97:
+	if (ctrl && ctrl->func)							\

WARNING: line length of 81 exceeds 80 columns
#108: FILE: include/net/smc.h:98:
+		__ret = ctrl->func(tp, ##__VA_ARGS__);				\

WARNING: line length of 81 exceeds 80 columns
#109: FILE: include/net/smc.h:99:
+	rcu_read_unlock();							\

WARNING: line length of 81 exceeds 80 columns
#110: FILE: include/net/smc.h:100:
+	__ret;									\

WARNING: line length of 83 exceeds 80 columns
#170: FILE: net/ipv4/tcp_output.c:829:
+	if (static_branch_unlikely(&tcp_have_smc) && tp->syn_smc && ireq->smc_ok) {

total: 0 errors, 10 warnings, 1 checks, 473 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 581f48fa9125 ("net/smc: bpf: Introduce generic hook for handshake flow") 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, 10 warnings, 1 checks, 473 lines checked