This is a note to let you know that I've just added the patch titled
mei: bus: block send with vtag on non-conformat FW
to the 5.11-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
mei-bus-block-send-with-vtag-on-non-conformat-fw.patch
and it can be found in the queue-5.11 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b398d53cd421454d64850f8b1f6d609ede9042d9 Mon Sep 17 00:00:00 2001
From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Date: Mon, 8 Feb 2021 17:06:48 +0200
Subject: mei: bus: block send with vtag on non-conformat FW
From: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
commit b398d53cd421454d64850f8b1f6d609ede9042d9 upstream.
Block data send with vtag if either transport layer or
FW client are not supporting vtags.
Cc: <stable@xxxxxxxxxxxxxxx> # v5.10+
Signed-off-by: Alexander Usyskin <alexander.usyskin@xxxxxxxxx>
Signed-off-by: Tomas Winkler <tomas.winkler@xxxxxxxxx>
Link: https://lore.kernel.org/r/20210208150649.141358-1-tomas.winkler@xxxxxxxxx
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/misc/mei/bus.c | 7 +++++++
1 file changed, 7 insertions(+)
--- a/drivers/misc/mei/bus.c
+++ b/drivers/misc/mei/bus.c
@@ -60,6 +60,13 @@ ssize_t __mei_cl_send(struct mei_cl *cl,
goto out;
}
+ if (vtag) {
+ /* Check if vtag is supported by client */
+ rets = mei_cl_vt_support_check(cl);
+ if (rets)
+ goto out;
+ }
+
if (length > mei_cl_mtu(cl)) {
rets = -EFBIG;
goto out;
Patches currently in stable-queue which might be from alexander.usyskin@xxxxxxxxx are
queue-5.11/mei-me-add-adler-lake-point-s-did.patch
queue-5.11/mei-me-add-adler-lake-point-lp-did.patch
queue-5.11/watchdog-mei_wdt-request-stop-on-unregister.patch
queue-5.11/mei-fix-transfer-over-dma-with-extended-header.patch
queue-5.11/mei-bus-block-send-with-vtag-on-non-conformat-fw.patch
queue-5.11/mei-hbm-call-mei_set_devstate-on-hbm-stop-response.patch
