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staging/lustre/lnet: fix potential null pointer dereference

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Pointer 'ni' checked for NULL at line 1569 may be passed to
function and may be dereferenced there by passing argument 1 to
function 'lnet_ni_notify_locked' at line 1621.
found by Klocwork Insight tool

Signed-off-by: Oleg Drokin <oleg.drokin@intel.com>
CC: Dmitry Eremin <dmitry.eremin@intel.com>
CC: Liang Zhen <liang.zhen@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Oleg Drokin
2014-04-27 22:25:58 -04:00
committed by Greg Kroah-Hartman
parent 109dae8dab
commit d36175e9d2
1 changed files with 1 additions and 1 deletions
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2
drivers/staging/lustre/lnet/lnet/router.c
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@@ -145,7 +145,7 @@ lnet_ni_notify_locked(lnet_ni_t *ni, lnet_peer_t *lp)
* NB individual events can be missed; the only guarantee is that you
* always get the most recent news */
if (lp->lp_notifying)
if (lp->lp_notifying || ni == NULL)
return;
lp->lp_notifying = 1;