WARNING: line length of 81 exceeds 80 columns
#99: FILE: net/ethtool/module.c:64:
+#define CMIS_MODULE_LOOPBACK_CTRL_OFFSET	0xB4	/* 4 consecutive bytes */

WARNING: line length of 91 exceeds 80 columns
#133: FILE: net/ethtool/module.c:98:
+static int module_get_loopback_caps(struct net_device *dev, struct netlink_ext_ack *extack,

WARNING: line length of 86 exceeds 80 columns
#145: FILE: net/ethtool/module.c:110:
+			       CMIS_PHYS_ADMINISTRATIVE_INFO_OFFSET, sizeof(phys_id));

WARNING: line length of 81 exceeds 80 columns
#157: FILE: net/ethtool/module.c:122:
+			       CMIS_PAGE13_ADVERTISEMENT_OFFSET, sizeof(page13));

WARNING: line length of 86 exceeds 80 columns
#181: FILE: net/ethtool/module.c:146:
+static int module_get_loopback(struct net_device *dev, struct module_reply_data *data,

WARNING: line length of 82 exceeds 80 columns
#194: FILE: net/ethtool/module.c:159:
+		NL_SET_ERR_MSG(extack, "Module firmware flashing is in progress");

WARNING: line length of 90 exceeds 80 columns
#272: FILE: net/ethtool/module.c:266:
+const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_LOOPBACK_ENABLED + 1] = {

WARNING: line length of 81 exceeds 80 columns
#279: FILE: net/ethtool/module.c:273:
+				ETHTOOL_MODULE_LOOPBACK_TYPES_MEDIA_SIDE_OUTPUT |

WARNING: line length of 83 exceeds 80 columns
#310: FILE: net/ethtool/module.c:305:
+	    (!ops->get_module_eeprom_by_page || !ops->set_module_eeprom_by_page)) {

WARNING: line length of 99 exceeds 80 columns
#345: FILE: net/ethtool/module.c:338:
+		NL_SET_ERR_MSG(info->extack, "Requested loopback mode(s) not supported by module");

WARNING: line length of 84 exceeds 80 columns
#383: FILE: net/ethtool/module.c:376:
+static int ethnl_set_module(struct ethnl_req_info *req_info, struct genl_info *info)

WARNING: line length of 86 exceeds 80 columns
#400: FILE: net/ethtool/module.c:388:
+		power_new.policy = nla_get_u8(tb[ETHTOOL_A_MODULE_POWER_MODE_POLICY]);

WARNING: line length of 94 exceeds 80 columns
#441: FILE: net/ethtool/netlink.h:485:
+extern const struct nla_policy ethnl_module_set_policy[ETHTOOL_A_MODULE_LOOPBACK_ENABLED + 1];

total: 0 errors, 13 warnings, 0 checks, 383 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 bef2ebd76e1d ("ethtool: module: Add CMIS loopback GET/SET support") 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, 13 warnings, 0 checks, 383 lines checked