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dpif-netdev: Reject adding duplicate ports.

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Otherwise it is at least very confusing.

Found during testing.  An upcoming commit adds a test.

Signed-off-by: Ben Pfaff <blp@nicira.com>
Acked-by: Daniele Di Proietto <diproiettod@vmware.com>
This commit is contained in:
Ben Pfaff
2015-04-15 11:15:45 -07:00
parent 79ae214d2d
commit 17050610ec
1 changed files with 4 additions and 1 deletions
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5
lib/dpif-netdev.c
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@@ -1035,7 +1035,10 @@ do_add_port(struct dp_netdev *dp, const char *devname, const char *type,
int error; int error;
int i; int i;
/* XXX reject devices already in some dp_netdev. */ /* Reject devices already in 'dp'. */
if (!get_port_by_name(dp, devname, &port)) {
return EEXIST;
}
/* Open and validate network device. */ /* Open and validate network device. */
open_type = dpif_netdev_port_open_type(dp->class, type); open_type = dpif_netdev_port_open_type(dp->class, type);