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mei: free read cb on ctrl_wr list flush 

There is a little window during disconnection flow
when read cb is moved between lists and may be not freed.
Remove moving read cbs explicitly during flash fixes this memory
leak.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
hifive-unleashed-5.1
Alexander Usyskin 2019-01-30 10:12:26 +02:00 committed by Greg Kroah-Hartman
parent c4a46acf1d
commit cee4c4d63b
1 changed files with 4 additions and 1 deletions
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5
drivers/misc/mei/client.c
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@ -401,8 +401,11 @@ static void mei_io_list_flush_cl(struct list_head *head,
struct mei_cl_cb *cb, *next;
list_for_each_entry_safe(cb, next, head, list) {
if (cl == cb->cl)
if (cl == cb->cl) {
list_del_init(&cb->list);
if (cb->fop_type == MEI_FOP_READ)
mei_io_cb_free(cb);
}
}
}