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| author | Kyle Evans <kevans@FreeBSD.org> | 2019-09-12 15:36:48 +0000 |
|---|---|---|
| committer | Kyle Evans <kevans@FreeBSD.org> | 2019-09-12 15:36:48 +0000 |
| commit | 40b1c921bda293100412e343e1d4aaa405745d12 (patch) | |
| tree | c1dc8868e796fc69659747b47d8d0f93022055e0 /sys/net/if.c | |
| parent | 5163b1a75c756d65891611b59dd4302f53e5825b (diff) | |
| download | src-40b1c921bda293100412e343e1d4aaa405745d12.tar.gz src-40b1c921bda293100412e343e1d4aaa405745d12.zip | |
SIOCSIFNAME: Do nothing if we're not actually changing
Instead of throwing EEXIST, just succeed if the name isn't actually
changing. We don't need to trigger departure or any of that because there's
no change from consumers' perspective.
PR: 240539
Reviewed by: brooks
MFC after: 5 days
Differential Revision: https://reviews.freebsd.org/D21618
Notes
Notes:
svn path=/head/; revision=352246
Diffstat (limited to 'sys/net/if.c')
| -rw-r--r-- | sys/net/if.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sys/net/if.c b/sys/net/if.c index d1513d2a32d7..cfd0c2065888 100644 --- a/sys/net/if.c +++ b/sys/net/if.c @@ -2716,6 +2716,8 @@ ifhwioctl(u_long cmd, struct ifnet *ifp, caddr_t data, struct thread *td) if (strlen(new_name) == IFNAMSIZ-1) return (EINVAL); } + if (strcmp(new_name, ifp->if_xname) == 0) + break; if (ifunit(new_name) != NULL) return (EEXIST); |