WARNING: line length of 84 exceeds 80 columns
#64: FILE: kernel/bpf/crypto.c:483:
+ * @public_key: bpf_dynptr to the public key in uncompressed format (0x04 || x || y)

WARNING: line length of 86 exceeds 80 columns
#77: FILE: kernel/bpf/crypto.c:496:
+	const struct bpf_dynptr_kern *algo_kern = (struct bpf_dynptr_kern *)algo_name;

WARNING: line length of 86 exceeds 80 columns
#78: FILE: kernel/bpf/crypto.c:497:
+	const struct bpf_dynptr_kern *key_kern = (struct bpf_dynptr_kern *)public_key;

WARNING: line length of 81 exceeds 80 columns
#151: FILE: kernel/bpf/crypto.c:570:
+ * @message: bpf_dynptr to the message hash to verify. Must be a trusted pointer.

WARNING: line length of 93 exceeds 80 columns
#152: FILE: kernel/bpf/crypto.c:571:
+ * @signature: bpf_dynptr to the ECDSA signature in r || s format. Must be a trusted pointer.

WARNING: line length of 83 exceeds 80 columns
#163: FILE: kernel/bpf/crypto.c:582:
+	const struct bpf_dynptr_kern *msg_kern = (struct bpf_dynptr_kern *)message;

WARNING: line length of 85 exceeds 80 columns
#164: FILE: kernel/bpf/crypto.c:583:
+	const struct bpf_dynptr_kern *sig_kern = (struct bpf_dynptr_kern *)signature;

WARNING: line length of 82 exceeds 80 columns
#198: FILE: kernel/bpf/crypto.c:617:
+	struct bpf_ecdsa_ctx *ctx = container_of(head, struct bpf_ecdsa_ctx, rcu);

WARNING: line length of 82 exceeds 80 columns
#223: FILE: kernel/bpf/crypto.c:642:
+				   const struct bpf_dynptr *private_key, int *err)

CHECK: Alignment should match open parenthesis
#223: FILE: kernel/bpf/crypto.c:642:
+bpf_ecdsa_ctx_create_with_privkey(const struct bpf_dynptr *algo_name,
+				   const struct bpf_dynptr *private_key, int *err)

WARNING: line length of 86 exceeds 80 columns
#225: FILE: kernel/bpf/crypto.c:644:
+	const struct bpf_dynptr_kern *algo_kern = (struct bpf_dynptr_kern *)algo_name;

WARNING: line length of 87 exceeds 80 columns
#226: FILE: kernel/bpf/crypto.c:645:
+	const struct bpf_dynptr_kern *key_kern = (struct bpf_dynptr_kern *)private_key;

WARNING: line length of 88 exceeds 80 columns
#295: FILE: kernel/bpf/crypto.c:714:
+ * @signature: bpf_dynptr to the output buffer for signature. Must be a trusted pointer.

WARNING: line length of 83 exceeds 80 columns
#306: FILE: kernel/bpf/crypto.c:725:
+	const struct bpf_dynptr_kern *msg_kern = (struct bpf_dynptr_kern *)message;

WARNING: line length of 85 exceeds 80 columns
#307: FILE: kernel/bpf/crypto.c:726:
+	const struct bpf_dynptr_kern *sig_kern = (struct bpf_dynptr_kern *)signature;

WARNING: line length of 81 exceeds 80 columns
#381: FILE: kernel/bpf/crypto.c:800:
+BTF_ID_FLAGS(func, bpf_ecdsa_ctx_create, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)

WARNING: line length of 94 exceeds 80 columns
#382: FILE: kernel/bpf/crypto.c:801:
+BTF_ID_FLAGS(func, bpf_ecdsa_ctx_create_with_privkey, KF_ACQUIRE | KF_RET_NULL | KF_SLEEPABLE)

total: 0 errors, 16 warnings, 1 checks, 406 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 7856c226b487 ("bpf: Add ECDSA signature verification kfuncs") 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, 16 warnings, 1 checks, 406 lines checked