D1814.diff
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	Index: head/sbin/ifconfig/ifconfig.c
	===================================================================
	--- head/sbin/ifconfig/ifconfig.c
	+++ head/sbin/ifconfig/ifconfig.c
	@@ -1280,9 +1280,8 @@
	}

	/* turn interface and unit into module name */
	- strcpy(ifkind, "if_");
	- strlcpy(ifkind + MOD_PREFIX_LEN, ifname,
	- sizeof(ifkind) - MOD_PREFIX_LEN);
	+ strlcpy(ifkind, "if_", sizeof(ifkind));
	+ strlcat(ifkind, ifname, sizeof(ifkind));

	/* scan files in kernel */
	mstat.version = sizeof(struct module_stat);
	@@ -1299,8 +1298,8 @@
	cp = mstat.name;
	}
	/* already loaded? */
	- if (strncmp(ifname, cp, strlen(ifname) + 1) == 0 \|\|
	- strncmp(ifkind, cp, strlen(ifkind) + 1) == 0)
	+ if (strcmp(ifname, cp) == 0 \|\|
	+ strcmp(ifkind, cp) == 0)
	return;
	}
	}