linux-kernel - [PATCH] [SCSI] target: Fix memory leak on error path

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Date:	Sat, 15 Jan 2011 21:42:32 -0800
From:	Roland Dreier <rdreier@...co.com>
To:	linux-kernel@...r.kernel.org,
	"Nicholas A. Bellinger" <nab@...ux-iscsi.org>
Subject: [PATCH] [SCSI] target: Fix memory leak on error path

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>
---
 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 742d246..60a2509 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
--
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