WARNING: Unknown commit id '983512f3a87f', maybe rebased or not pulled?
#7: 
After commit 983512f3a87f ("net: Drop the lock in skb_may_tx_timestamp()")

CHECK: Comparison to NULL could be written "!filp"
#52: FILE: net/netfilter/xt_owner.c:87:
+	if (filp == NULL)

total: 0 errors, 1 warnings, 1 checks, 61 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 5be5f2dedd27 ("netfilter: xt_owner: no longer acquire sk_callback_lock in mt_owner()") 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, 1 warnings, 1 checks, 61 lines checked