diff options
| author |   Liang Zhen <liang.zhen@intel.com> | 2015-02-01 21:52:10 -0500 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2015-02-07 17:31:10 +0800 |
| commit | 70c86ace9008f83f3b3b0dd995c60942e1057347 (patch) | |
| tree | 936533c243dd0c5d0bdad89fb99740465bdc40fe /drivers/staging | |
| parent | staging/lustre/obdclass: Proper swabbing of llog_rec_tail. (diff) | |
| download | linux-dev-70c86ace9008f83f3b3b0dd995c60942e1057347.tar.xz linux-dev-70c86ace9008f83f3b3b0dd995c60942e1057347.zip | |
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.h | 2 | ||||
| -rw-r--r-- | drivers/staging/lustre/lnet/lnet/lib-ptl.c | 8 |
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); |