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checkpatch - FAILED

ERROR: do not use assignment in if condition
#104: FILE: kernel/bpf/cpumap.c:396:
+		if (packets += n >= NAPI_POLL_WEIGHT || empty) {

total: 1 errors, 0 warnings, 0 checks, 97 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 21b48ceaf298 ("bpf: cpumap: switch to GRO from netif_receive_skb_list()") 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.