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| author | Alexander Usyskin <alexander.usyskin@intel.com> | 2019-01-30 10:12:26 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-01-30 15:24:45 +0100 |
| commit | cee4c4d63ba7b0df9b2d2a6724c41b2a260d72ec (patch) | |
| tree | aa13bf9f16f1621a4cda3ead872d73a143c32c68 /drivers/misc/mei/client.c | |
| parent | c4a46acf1db3ce547d290c29e55b3476c78dd76c (diff) | |
| download | linux-cee4c4d63ba7b0df9b2d2a6724c41b2a260d72ec.tar.gz linux-cee4c4d63ba7b0df9b2d2a6724c41b2a260d72ec.tar.bz2 linux-cee4c4d63ba7b0df9b2d2a6724c41b2a260d72ec.zip | |
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>
Diffstat (limited to 'drivers/misc/mei/client.c')
| -rw-r--r-- | drivers/misc/mei/client.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/misc/mei/client.c b/drivers/misc/mei/client.c index 1fc8ea0f519b..ca4c9cc218a2 100644 --- a/drivers/misc/mei/client.c +++ b/drivers/misc/mei/client.c @@ -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); + } } } |