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rtsold: Use correct error in llflags_get()

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Set errno to EINVAL if the name overflows the buffer, as was done
before commit ecce515d54.

Reviewed by:	dab, markj
Fixes:		ecce515d54
MFC after:	1 week
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D34354
This commit is contained in:
Eric van Gyzen 2022-02-23 10:29:53 -06:00
parent 1cedb4ea1a
commit a2a8efb4f6
1 changed files with 1 additions and 1 deletions
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2
usr.sbin/rtsold/cap_llflags.c
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@ -91,7 +91,7 @@ llflags_get(const char *ifname, int *flagsp)
memset(&ifr6, 0, sizeof(ifr6));
if (strlcpy(ifr6.ifr_name, ifname, sizeof(ifr6.ifr_name)) >=
sizeof(ifr6.ifr_name)) {
error = errno;
error = EINVAL;
goto out;
}
memcpy(&ifr6.ifr_ifru.ifru_addr, sin6, sin6->sin6_len);