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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: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Tomas Winkler 2012-08-24 00:35:58 +03:00 committed by Greg Kroah-Hartman
parent daed6b5e78
commit 1e2776c3af
1 changed files with 8 additions and 6 deletions
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14
drivers/misc/mei/mei_dev.h
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@ -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 {