linux-kernel - [PATCH] scsi/libfc: fix mm leak in handling incoming request for target discovery

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Message-ID: <BANLkTiniTy862jPL=e_FGcRtPO27r8xVEA@mail.gmail.com>
Date:	Sun, 24 Apr 2011 10:47:33 +0800
From:	Hillf Danton <dhillf@...il.com>
To:	devel@...n-fcoe.org
Cc:	Robert Love <robert.w.love@...el.com>,
	"James E.J. Bottomley" <James.Bottomley@...e.de>,
	Mike Christie <michaelc@...wisc.edu>,
	linux-scsi@...r.kernel.org, LKML <linux-kernel@...r.kernel.org>
Subject: [PATCH] scsi/libfc: fix mm leak in handling incoming request for
 target discovery

When handling incoming request, if the operation code carried by the
received frame is not RSCN, the frame should be freed as in the RSCN
case, or there is memory leakage.

Signed-off-by: Hillf Danton <dhillf@...il.com>
---

--- a/drivers/scsi/libfc/fc_disc.c	2011-03-30 03:09:48.000000000 +0800
+++ b/drivers/scsi/libfc/fc_disc.c	2011-04-24 10:36:14.000000000 +0800
@@ -205,6 +205,7 @@ static void fc_disc_recv_req(struct fc_l
 	default:
 		FC_DISC_DBG(disc, "Received an unsupported request, "
 			    "the opcode is (%x)\n", op);
+		fc_frame_free(fp);
 		break;
 	}
 }
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