* [char-misc-next] mei: fix max number of open handles
@ 2012-08-23 21:35 Tomas Winkler
0 siblings, 0 replies; only message in thread
From: Tomas Winkler @ 2012-08-23 21:35 UTC (permalink / raw)
To: gregkh; +Cc: arnd, alan, linux-kernel, Tomas Winkler
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>
---
drivers/misc/mei/mei_dev.h | 14 ++++++++------
1 files changed, 8 insertions(+), 6 deletions(-)
diff --git a/drivers/misc/mei/mei_dev.h b/drivers/misc/mei/mei_dev.h
index ad6c9d5..96d3e79 100644
--- a/drivers/misc/mei/mei_dev.h
+++ b/drivers/misc/mei/mei_dev.h
@@ -56,19 +56,21 @@ 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 {
--
1.7.4.4
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