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mei: clean pending read with vtag on bus 

Client on bus have only one vtag map slot and should disregard the vtag
value when cleaning pending read flag.
Fixes read flow control message unexpectedly generated when
clent on bus send messages with different vtags.

Signed-off-by: Alexander Usyskin <alexander.usyskin@intel.com>
Reviewed-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Alan Previn <alan.previn.teres.alexis@intel.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230125082637.118970-4-alan.previn.teres.alexis@intel.com
This commit is contained in:
Alexander Usyskin 2023-01-25 00:26:34 -08:00 committed by Rodrigo Vivi
parent 6e52ced023
commit f17ef47b04
1 changed files with 3 additions and 1 deletions
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4
drivers/misc/mei/client.c
View File

@ -1343,7 +1343,9 @@ static void mei_cl_reset_read_by_vtag(const struct mei_cl *cl, u8 vtag)
struct mei_cl_vtag *vtag_l;
list_for_each_entry(vtag_l, &cl->vtag_map, list) {
if (vtag_l->vtag == vtag) {
/* The client on bus has one fixed vtag map */
if ((cl->cldev && mei_cldev_enabled(cl->cldev)) ||
vtag_l->vtag == vtag) {
vtag_l->pending_read = false;
break;
}