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rocker: forbid to change world type

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Port to world assignment should be permitted only by qemu user. Driver
should not be able to do it, so forbid that possibility.

Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Jiri Pirko 2016-02-25 15:31:55 +01:00 • committed by Jason Wang
parent 9fbad2ca36
commit 0ab9cd9a4b
3 changed files with 13 additions and 1 deletions
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8
hw/net/rocker/rocker.c
View file

@ -400,7 +400,13 @@ static int cmd_set_port_settings(Rocker *r,
if (tlvs[ROCKER_TLV_CMD_PORT_SETTINGS_MODE]) {
mode = rocker_tlv_get_u8(tlvs[ROCKER_TLV_CMD_PORT_SETTINGS_MODE]);
fp_port_set_world(fp_port, r->worlds[mode]);
if (mode >= ROCKER_WORLD_TYPE_MAX) {
return -ROCKER_EINVAL;
}
/* We don't support world change. */
if (!fp_port_check_world(fp_port, r->worlds[mode])) {
return -ROCKER_EINVAL;
}
}
if (tlvs[ROCKER_TLV_CMD_PORT_SETTINGS_LEARNING]) {