From: Liang Zhen <liang.zhen@intel.com>
Date: Tue, 16 Sep 2014 03:49:40 +0000 (+0800)
Subject: LU-5639 lnet: portal spreading rotor should be unsigned
X-Git-Tag: 2.6.53~19
X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=commitdiff_plain;h=e50fc41ad6383e31b896a9306307f10ced1b3de2;hp=dbe544883a59d7eecaace16400c575b416c51002

LU-5639 lnet: portal spreading rotor should be unsigned

Portal spreading rotor should be unsigned, otherwise lnet may get
negative CPT number and access invalid addresses.

Signed-off-by: Liang Zhen <liang.zhen@intel.com>
Change-Id: Id7f40da241af3b01483fdedd366b09329f530163
Reviewed-on: http://review.whamcloud.com/11936
Reviewed-by: Amir Shehata <amir.shehata@intel.com>
Tested-by: Maloo <hpdd-maloo@intel.com>
Tested-by: Jenkins
Reviewed-by: Isaac Huang <he.huang@intel.com>
Reviewed-by: Doug Oucharek <doug.s.oucharek@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
---

diff --git a/lnet/include/lnet/lib-types.h b/lnet/include/lnet/lib-types.h
index 3a1b667..a6e92bf 100644
--- a/lnet/include/lnet/lib-types.h
+++ b/lnet/include/lnet/lib-types.h
@@ -694,7 +694,7 @@ typedef struct lnet_portal {
 	/* Match table for each CPT */
 	struct lnet_match_table	**ptl_mtables;
 	/* spread rotor of incoming "PUT" */
-	int			ptl_rotor;
+	unsigned int		ptl_rotor;
 	/* # active entries for this portal */
 	int                     ptl_mt_nmaps;
 	/* array of active entries' cpu-partition-id */
diff --git a/lnet/lnet/lib-ptl.c b/lnet/lnet/lib-ptl.c
index 621a27a..d6c7dd7 100644
--- a/lnet/lnet/lib-ptl.c
+++ b/lnet/lnet/lib-ptl.c
@@ -264,10 +264,10 @@ lnet_mt_of_match(struct lnet_match_info *info, struct lnet_msg *msg)
 {
 	struct lnet_match_table	*mtable;
 	struct lnet_portal	*ptl;
-	int			nmaps;
-	int			rotor;
-	int			routed;
-	int			cpt;
+	unsigned int		nmaps;
+	unsigned int		rotor;
+	unsigned int		cpt;
+	bool			routed;
 
 	/* NB: called w/o lock */
 	LASSERT(info->mi_portal < the_lnet.ln_nportals);