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Commit 1e2776c3 authored by Tomas Winkler's avatar Tomas Winkler Committed by Greg Kroah-Hartman
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mei: fix max number of open handles 



There was internal confusion in wether bus message
clinet (0) is counted in or not

The bitmap me_clients_map that accomodate
was initialized w/o it (255) but later on it
the clinet 0 was reserved

Thus were able to open only 252 instead of 253 clients

Signed-off-by: default avatarTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent daed6b5e

drivers/misc/mei/mei_dev.h

+8 −6
Original line number Diff line number Diff line
@@ -55,20 +55,22 @@ extern const uuid_le mei_wd_guid; 
 */

extern const u8 mei_wd_state_independence_msg[3][4];



/*

 * Number of Maximum MEI Clients

 */

#define MEI_CLIENTS_MAX 256



/*

 * Number of File descriptors/handles

 * that can be opened to the driver.

 *

 * Limit to 253: 255 Total Clients

 * Limit to 253: 256 Total Clients

 * minus internal client for MEI Bus Messags

 * minus internal client for AMTHI

 * minus internal client for Watchdog

 */

#define  MEI_MAX_OPEN_HANDLE_COUNT	253

#define  MEI_MAX_OPEN_HANDLE_COUNT (MEI_CLIENTS_MAX - 3)



/*

 * Number of Maximum MEI Clients

 */

#define MEI_CLIENTS_MAX 255



/* File state */

enum file_state {