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dpif-linux: Reset epoll() on channel deletion.

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The list of epoll events contains references to channels which may
be stale when one of those channels is deleted.  The safest thing
to do is simply refresh epoll() whenever a channel is deleted.

Bug #16057.
Signed-off-by: Ethan Jackson <ethan@nicira.com>
This commit is contained in:
Ethan Jackson
2013-04-10 13:05:04 -07:00
parent 31098e3f6b
commit fa717215da
1 changed files with 1 additions and 0 deletions
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lib/dpif-linux.c
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@@ -358,6 +358,7 @@ del_channel(struct dpif_linux *dpif, uint32_t port_no)
}
epoll_ctl(dpif->epoll_fd, EPOLL_CTL_DEL, nl_sock_fd(ch->sock), NULL);
dpif->event_offset = dpif->n_events = 0;
nl_sock_destroy(ch->sock);
ch->sock = NULL;