linux-kernel - [PATCH] [scsi] lpfc: potential leak in lpfc_sli_hbqbuf_fill

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Message-ID: <469F884B.6010402@gmail.com>
Date:	Thu, 19 Jul 2007 11:50:35 -0400
From:	Florin Malita <fmalita@...il.com>
To:	James.Smart@...lex.com
CC:	James.Bottomley@...elEye.com,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: [PATCH] [scsi] lpfc: potential leak in lpfc_sli_hbqbuf_fill_hbqs

If lpfc_hbq_alloc() fails, an hbq_buffer is leaked. Found by Coverity 
(1775).

Signed-off-by: Florin Malita <fmalita@...il.com>
---

 drivers/scsi/lpfc/lpfc_sli.c |    4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index f4d5a6b..fe16b0c 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -622,8 +622,10 @@ lpfc_sli_hbqbuf_fill_hbqs(struct lpfc_hba *phba, uint32_t hbqno, uint32_t count)
 			return 1;
 		hbq_buffer->dbuf.virt = lpfc_hbq_alloc(phba, MEM_PRI,
 							&hbq_buffer->dbuf.phys);
-		if (hbq_buffer->dbuf.virt == NULL)
+		if (hbq_buffer->dbuf.virt == NULL) {
+			kfree(hbq_buffer);
 			return 1;
+		}
 		hbq_buffer->tag = (i | (hbqno << 16));
 		lpfc_sli_hbq_to_firmware(phba, hbqno, hbq_buffer);
 		lpfc_hbq_defs[hbqno]->buffer_count++;

-
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