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authorLiang Zhen <liang.zhen@intel.com>2015-02-01 21:52:10 -0500
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2015-02-07 17:31:10 +0800
commit70c86ace9008f83f3b3b0dd995c60942e1057347 (patch)
tree936533c243dd0c5d0bdad89fb99740465bdc40fe /drivers/staging
parentdbab2d8563d8a988dd4ec740ab9c06a4f86890ea (diff)
staging/lustre/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> Reviewed-on: http://review.whamcloud.com/11936 Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-5639 Reviewed-by: Amir Shehata <amir.shehata@intel.com> Reviewed-by: Isaac Huang <he.huang@intel.com> Reviewed-by: Doug Oucharek <doug.s.oucharek@intel.com> Signed-off-by: Oleg Drokin <oleg.drokin@intel.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging')
-rw-r--r--drivers/staging/lustre/include/linux/lnet/lib-types.h2
-rw-r--r--drivers/staging/lustre/lnet/lnet/lib-ptl.c8
2 files changed, 5 insertions, 5 deletions
diff --git a/drivers/staging/lustre/include/linux/lnet/lib-types.h b/drivers/staging/lustre/include/linux/lnet/lib-types.h
index ba1876f57d12..50537668f59d 100644
--- a/drivers/staging/lustre/include/linux/lnet/lib-types.h
+++ b/drivers/staging/lustre/include/linux/lnet/lib-types.h
@@ -622,7 +622,7 @@ 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/drivers/staging/lustre/lnet/lnet/lib-ptl.c b/drivers/staging/lustre/lnet/lnet/lib-ptl.c
index 19ed696344fe..3ba0da919b41 100644
--- a/drivers/staging/lustre/lnet/lnet/lib-ptl.c
+++ b/drivers/staging/lustre/lnet/lnet/lib-ptl.c
@@ -262,10 +262,10 @@ 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);