[patch 20/45] ioremap balanced with iounmap for drivers/scsi/nsp32.c

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From: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>

ioremap must be balanced by an iounmap and failing to do so can result in a
memory leak.

Signed-off-by: Amol Lad <amol@xxxxxxxxxxxxxxxxxxx>
Cc: James Bottomley <James.Bottomley@xxxxxxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxx>
---

 drivers/scsi/nsp32.c |    5 +++++
 1 files changed, 5 insertions(+)

diff -puN drivers/scsi/nsp32.c~ioremap-balanced-with-iounmap-drivers-scsi-nsp32c drivers/scsi/nsp32.c
--- a/drivers/scsi/nsp32.c~ioremap-balanced-with-iounmap-drivers-scsi-nsp32c
+++ a/drivers/scsi/nsp32.c
@@ -3540,6 +3540,11 @@ static int __devinit nsp32_probe(struct 
 
 	nsp32_dbg(NSP32_DEBUG_REGISTER, "exit %d", ret);
 
+	if (ret) {
+		iounmap(data->MmioAddress);
+		data->MmioAddress = NULL;
+	}
+
 	return ret;
 }
 
_
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