WARNING: line length of 83 exceeds 80 columns
#35: FILE: drivers/net/virtio_net.c:5909:
+	bool partial_mask = !!(sel_cap->flags & VIRTIO_NET_FF_MASK_F_PARTIAL_MASK);

WARNING: Do not crash the kernel unless it is absolutely unavoidable--use WARN_ON_ONCE() plus recovery code (if feasible) instead of BUG() or variants
#132: FILE: drivers/net/virtio_net.c:6161:
+	BUG_ON(size > 0xff);

WARNING: line length of 83 exceeds 80 columns
#211: FILE: drivers/net/virtio_net.c:6283:
+		err = setup_ip_key_mask(selector, key + sizeof(struct ethhdr), fs);

total: 0 errors, 3 warnings, 0 checks, 183 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 4a0d81d82aef ("virtio_net: Implement IPv4 ethtool flow rules") 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, 3 warnings, 0 checks, 183 lines checked