CHECK: Comparison to NULL could be written "ctx.data"
#156: FILE: crypto/asymmetric_keys/pkcs7_parser.c:273:
+		if (ret < 0 || ctx.data != NULL)

CHECK: extern prototypes should be avoided in .h files
#181: FILE: include/crypto/pkcs7.h:28:
+extern int pkcs7_get_authattr(const struct pkcs7_message *pkcs7,

total: 0 errors, 0 warnings, 2 checks, 142 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 f4ede4f1725f ("crypto: pkcs7: add ability to extract signed attributes by OID") 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, 0 warnings, 2 checks, 142 lines checked