WARNING: line length of 81 exceeds 80 columns
#42: FILE: drivers/net/tap.c:1006:
+		    copy_to_user(&ifr->ifr_hwaddr, &ss, sizeof(ifr->ifr_hwaddr)))

WARNING: line length of 83 exceeds 80 columns
#50: FILE: drivers/net/tap.c:1013:
+		if (copy_from_user(&ss, &ifr->ifr_hwaddr, sizeof(ifr->ifr_hwaddr)))

WARNING: line length of 90 exceeds 80 columns
#80: FILE: drivers/net/tun.c:3201:
+					       (struct sockaddr_storage *)&ifr.ifr_hwaddr,

WARNING: line length of 81 exceeds 80 columns
#94: FILE: include/linux/netdevice.h:4215:
+int dev_set_mac_address_user(struct net_device *dev, struct sockaddr_storage *ss,

WARNING: line length of 92 exceeds 80 columns
#133: FILE: net/core/dev_ioctl.c:578:
+						(struct sockaddr_storage *)&ifr->ifr_hwaddr,

total: 0 errors, 5 warnings, 0 checks, 91 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 7d0b828ea045 ("net: core: Convert dev_set_mac_address_user() to use struct sockaddr_storage") 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.
total: 0 errors, 5 warnings, 0 checks, 91 lines checked