[PATCHv2 1/4 infiniband-diags] ibqueryerrors: Fix crash when no SM is running

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From: Vladimir Koushnir <vladimirk@xxxxxxxxxxxx>
Date: Tue, 21 Apr 2015 17:12:05 +0300

Handle sa_get_handle error in path_record_query

Signed-off-by: Vladimir Koushnir <vladimirk@xxxxxxxxxxxx>
Signed-off-by: Hal Rosenstock <hal@xxxxxxxxxxxx>
---
Changes since v1:
Added my signoff on this patch

 src/ibqueryerrors.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/src/ibqueryerrors.c b/src/ibqueryerrors.c
index 8fbb9d1..97a555d 100644
--- a/src/ibqueryerrors.c
+++ b/src/ibqueryerrors.c
@@ -326,7 +326,9 @@ static int path_record_query(ib_gid_t sgid,uint64_t dguid)
      uint8_t reversible = 0;
      struct sa_handle * h;
 
-     h = sa_get_handle();
+     if (!(h = sa_get_handle()))
+	return -1;
+
      ibd_timeout = DEFAULT_HALF_WORLD_PR_TIMEOUT;
      memset(&pr, 0, sizeof(pr));
 
-- 
1.7.8.2

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