WARNING: line length of 89 exceeds 80 columns
#26: FILE: include/uapi/linux/virtio_net.h:59:
+#define VIRTIO_NET_F_DEVICE_STATS 50	/* Device can provide device-level statistics. */

CHECK: Blank lines aren't necessary after an open brace '{'
#42: FILE: include/uapi/linux/virtio_net.h:418:
+struct virtio_net_stats_capabilities {
+

ERROR: Use C99 flexible arrays - see https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays
#56: FILE: include/uapi/linux/virtio_net.h:432:
+	__le64 supported_stats_types[1];
+};

ERROR: Use C99 flexible arrays - see https://docs.kernel.org/process/deprecated.html#zero-length-and-one-element-arrays
#64: FILE: include/uapi/linux/virtio_net.h:440:
+	} stats[1];
+};

total: 2 errors, 1 warnings, 1 checks, 153 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 8804853a293a ("virtio_net: introduce device stats feature and structures") 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.