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aio: safeguard ioctx

This commit is contained in:
Thomas Schoebel-Theuer 2015-03-20 10:04:00 +01:00
parent a12450d891
commit 77714f374e
1 changed files with 5 additions and 0 deletions
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5
kernel/mars_aio.c
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@ -635,6 +635,11 @@ static int aio_event_thread(void *data)
.tv_sec = 1,
};
if (unlikely(!(void*)output->ctxp)) {
MARS_ERR("Oops, context vanished. queued_sum = %d\n", atomic_read(&tinfo->queued_sum));
break;
}
oldfs = get_fs();
set_fs(get_ds());
/* TODO: don't timeout upon termination.