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um: time-travel: Return the sequence number in ACK messages 

For external time travel, the protocol says to return the
incoming sequence number in the ACK message to aid debugging,
so do that.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-By: Anton Ivanov <anton.ivanov@cambridgegreys.com>
Signed-off-by: Richard Weinberger <richard@nod.at>
zero-sugar-mainline-defconfig
Johannes Berg 2020-09-10 11:31:13 +02:00 committed by Richard Weinberger
parent ebef8ea2ba
commit d080060913
1 changed files with 1 additions and 0 deletions
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arch/um/kernel/time.c
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@ -106,6 +106,7 @@ static void time_travel_handle_message(struct um_timetravel_msg *msg,
break;
}
resp.seq = msg->seq;
os_write_file(time_travel_ext_fd, &resp, sizeof(resp));
}