linux-kernel - Re: [-mm Patch] INFINIBAND: check the return value of kmalloc

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Thu, 05 Jul 2007 14:42:37 -0700
From:	Roland Dreier <rdreier@...co.com>
To:	"Jesper Juhl" <jesper.juhl@...il.com>
Cc:	"WANG Cong" <xiyou.wangcong@...il.com>, rolandd@...co.com,
	mshefty@...ips.intel.com, halr@...taire.com,
	"Andrew Morton" <akpm@...l.org>,
	LKML <linux-kernel@...r.kernel.org>,
	Steve Wise <swise@...ngridcomputing.com>
Subject: Re: [-mm Patch] INFINIBAND: check the return value of kmalloc

thanks, I added Jesper's suggestion to the original patch and queued
this for 2.6.23:

(Steve, let me know if this looks OK or not to you)

commit 8d339921a2cb279457dce79f8a308978e0b41b27
Author: WANG Cong <xiyou.wangcong@...il.com>
Date:   Thu Jul 5 14:40:32 2007 -0700

    RDMA/cxgb3: Check return of kmalloc() in iwch_register_device()
    
    Signed-off-by: WANG Cong <xiyou.wangcong@...il.com>
    [ Also remove cast from void * return of kmalloc() as suggested by
      Jesper Juhl <jesper.juhl@...il.com>. ]
    Signed-off-by: Roland Dreier <rolandd@...co.com>

diff --git a/drivers/infiniband/hw/cxgb3/iwch_provider.c b/drivers/infiniband/hw/cxgb3/iwch_provider.c
index e7c2c39..44b6ad2 100644
--- a/drivers/infiniband/hw/cxgb3/iwch_provider.c
+++ b/drivers/infiniband/hw/cxgb3/iwch_provider.c
@@ -1163,9 +1163,10 @@ int iwch_register_device(struct iwch_dev *dev)
 	dev->ibdev.post_recv = iwch_post_receive;
 
 
-	dev->ibdev.iwcm =
-	    (struct iw_cm_verbs *) kmalloc(sizeof(struct iw_cm_verbs),
-					   GFP_KERNEL);
+	dev->ibdev.iwcm = kmalloc(sizeof(struct iw_cm_verbs), GFP_KERNEL);
+	if (!dev->ibdev.icwm)
+		return -ENOMEM;
+
 	dev->ibdev.iwcm->connect = iwch_connect;
 	dev->ibdev.iwcm->accept = iwch_accept_cr;
 	dev->ibdev.iwcm->reject = iwch_reject_cr;
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/