linux-kernel - [PATCH 01/21] target: Fix memory leak on error path in pscsi_alloc

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Date:	Mon, 14 Mar 2011 04:05:55 -0700
From:	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
To:	linux-scsi <linux-scsi@...r.kernel.org>,
	linux-kernel <linux-kernel@...r.kernel.org>,
	James Bottomley <James.Bottomley@...senPartnership.com>
Cc:	Christoph Hellwig <hch@....de>,
	Mike Christie <michaelc@...wisc.edu>,
	Hannes Reinecke <hare@...e.de>,
	FUJITA Tomonori <fujita.tomonori@....ntt.co.jp>,
	Boaz Harrosh <bharrosh@...asas.com>,
	Joel Becker <jlbec@...lplan.org>,
	Stephen Rothwell <sfr@...b.auug.org.au>,
	Douglas Gilbert <dgilbert@...erlog.com>,
	Roland Dreier <rolandd@...co.com>,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Subject: [PATCH 01/21] target: Fix memory leak on error path in pscsi_alloc_task

From: Roland Dreier <rolandd@...co.com>

If allocation of pt->pscsi_cdb fails, we need to free the just-allocated
pt or else it will be leaked.

Signed-off-by: Roland Dreier <rolandd@...co.com>
Signed-off-by: Nicholas A. Bellinger <nab@...ux-iscsi.org>
---
 drivers/target/target_core_pscsi.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c
index f2a0847..f596cb7 100644
--- a/drivers/target/target_core_pscsi.c
+++ b/drivers/target/target_core_pscsi.c
@@ -817,6 +817,7 @@ pscsi_alloc_task(struct se_cmd *cmd)
 		if (!(pt->pscsi_cdb)) {
 			printk(KERN_ERR "pSCSI: Unable to allocate extended"
 					" pt->pscsi_cdb\n");
+			kfree(pt);
 			return NULL;
 		}
 	} else
-- 
1.7.4.1

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