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ifnet_byindex_ref() requires network epoch.

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This commit is contained in:
glebius 2019-10-09 16:21:50 +00:00
parent 7299f8c33d
commit 1408ed7d50
1 changed files with 3 additions and 0 deletions
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3
sys/net/if_mib.c
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@ -80,6 +80,7 @@ sysctl_ifdata(SYSCTL_HANDLER_ARGS) /* XXX bad syntax! */
u_int namelen = arg2;
struct ifnet *ifp;
struct ifmibdata ifmd;
struct epoch_tracker et;
size_t dlen;
char *dbuf;
@ -87,7 +88,9 @@ sysctl_ifdata(SYSCTL_HANDLER_ARGS) /* XXX bad syntax! */
return EINVAL;
if (name[0] <= 0)
return (ENOENT);
NET_EPOCH_ENTER(et);
ifp = ifnet_byindex_ref(name[0]);
NET_EPOCH_EXIT(et);
if (ifp == NULL)
return (ENOENT);