[PATCH] ioremap balanced with iounmap for drivers/pcmcia

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

Signed-off-by: Amol Lad <amol@verismonetworks.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/pcmcia/at91_cf.c b/drivers/pcmcia/at91_cf.c
index f8db6e342cbb..3bcb7dc32995 100644
--- a/drivers/pcmcia/at91_cf.c
+++ b/drivers/pcmcia/at91_cf.c
@@ -310,9 +310,10 @@ static int __init at91_cf_probe(struct platform_device *pdev)
         return 0;
 
 fail2:
-        iounmap((void __iomem *) cf->socket.io_offset);
         release_mem_region(io->start, io->end + 1 - io->start);
 fail1:
+        if (cf->socket.io_offset)
+                iounmap((void __iomem *) cf->socket.io_offset);
         if (board->irq_pin)
                 free_irq(board->irq_pin, cf);
 fail0a: