public inbox for linux-rdma@vger.kernel.org
 help / color / mirror / Atom feed
From: Ira Weiny <weiny2-i2BcT+NCU+M@public.gmane.org>
To: Sasha Khapyorsky <sashak-smomgflXvOZWk0Htik3J/w@public.gmane.org>
Cc: "linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org"
	<linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org>
Subject: [PATCH] infiniband-diags/ibqueryerrors: Fix realloc size to prevent core
Date: Tue, 3 Nov 2009 13:20:03 -0800	[thread overview]
Message-ID: <20091103132003.112e10b0.weiny2@llnl.gov> (raw)


From: Ira Weiny <weiny2-i2BcT+NCU+M@public.gmane.org>
Date: Tue, 3 Nov 2009 13:19:33 -0800
Subject: [PATCH] infiniband-diags/ibqueryerrors: Fix realloc size to prevent core

	Realloc size was wrong causing a core when enough errors were
	suppressed.  Reproduced by running:

	ibqueryerrors -c -s RcvSwRelayErrors,LinkDowned,VL15Dropped,XmtWait,SymbolErrors,LinkRecovers,RcvErrors

Signed-off-by: Ira Weiny <weiny2-i2BcT+NCU+M@public.gmane.org>
---
 infiniband-diags/src/ibqueryerrors.c |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/infiniband-diags/src/ibqueryerrors.c b/infiniband-diags/src/ibqueryerrors.c
index f83f29e..aac7087 100644
--- a/infiniband-diags/src/ibqueryerrors.c
+++ b/infiniband-diags/src/ibqueryerrors.c
@@ -381,7 +381,8 @@ void print_node(ibnd_node_t * node, void *user_data)
 
 static void add_suppressed(enum MAD_FIELDS field)
 {
-	suppressed_fields = realloc(suppressed_fields, sizeof(enum MAD_FIELDS));
+	suppressed_fields = realloc(suppressed_fields,
+				    (sup_total+1)*sizeof(enum MAD_FIELDS));
 	suppressed_fields[sup_total] = field;
 	sup_total++;
 }
-- 
1.5.4.5

--
To unsubscribe from this list: send the line "unsubscribe linux-rdma" in
the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

             reply	other threads:[~2009-11-03 21:20 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-11-03 21:20 Ira Weiny [this message]
     [not found] ` <20091103132003.112e10b0.weiny2-i2BcT+NCU+M@public.gmane.org>
2009-11-03 21:39   ` [PATCH] infiniband-diags/ibqueryerrors: Fix realloc size to prevent core Al Chu
     [not found]     ` <1257284362.580.59.camel-X2zTWyBD0EhliZ7u+bvwcg@public.gmane.org>
2009-11-03 22:22       ` Sasha Khapyorsky
2009-11-04  0:50         ` Ira Weiny
2009-11-04  0:46       ` [PATCH V2] " Ira Weiny

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20091103132003.112e10b0.weiny2@llnl.gov \
    --to=weiny2-i2bct+ncu+m@public.gmane.org \
    --cc=linux-rdma-u79uwXL29TY76Z2rM5mHXA@public.gmane.org \
    --cc=sashak-smomgflXvOZWk0Htik3J/w@public.gmane.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body. 
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox