Commit 3efa9970 authored by Amol Lad's avatar Amol Lad Committed by Dominik Brodowski
Browse files

[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: default avatarAmol Lad <amol@verismonetworks.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent a230a678

drivers/pcmcia/at91_cf.c

+2 −1
Original line number Diff line number Diff line
@@ -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:

drivers/pcmcia/au1000_generic.c

+10 −0
Original line number Diff line number Diff line
@@ -449,6 +449,16 @@ int au1x00_pcmcia_socket_probe(struct device *dev, struct pcmcia_low_level *ops, 
		del_timer_sync(&skt->poll_timer);

		pcmcia_unregister_socket(&skt->socket);

		flush_scheduled_work();

		if (i == 0) {

			iounmap(skt->virt_io + (u32)mips_io_port_base);

			skt->virt_io = NULL;

		}

#ifndef CONFIG_MIPS_XXS1500

		else {

			iounmap(skt->virt_io + (u32)mips_io_port_base);

			skt->virt_io = NULL;

		}

#endif

		ops->hw_shutdown(skt);



	}

drivers/pcmcia/m8xx_pcmcia.c

+8 −4
Original line number Diff line number Diff line
@@ -427,7 +427,7 @@ static int voltage_set(int slot, int vcc, int vpp) 
			reg |= BCSR1_PCCVCC1;

			break;

		default:

			return 1;

			goto out_unmap;

	}



	switch(vpp) {
@@ -438,15 +438,15 @@ static int voltage_set(int slot, int vcc, int vpp) 
			if(vcc == vpp)

				reg |= BCSR1_PCCVPP1;

			else

				return 1;

				goto out_unmap;

			break;

		case 120:

			if ((vcc == 33) || (vcc == 50))

				reg |= BCSR1_PCCVPP0;

			else

				return 1;

				goto out_unmap;

		default:

			return 1;

			goto out_unmap;

	}



	/* first, turn off all power */
@@ -457,6 +457,10 @@ static int voltage_set(int slot, int vcc, int vpp) 


	iounmap(bcsr_io);

	return 0;



out_unmap:

	iounmap(bcsr_io);

	return 1;

}



#define socket_get(_slot_) PCMCIA_SOCKET_KEY_5V

drivers/pcmcia/omap_cf.c

+2 −1
Original line number Diff line number Diff line
@@ -309,9 +309,10 @@ static int __devinit omap_cf_probe(struct device *dev) 
	return 0;



fail2:

	iounmap((void __iomem *) cf->socket.io_offset);

	release_mem_region(cf->phys_cf, SZ_8K);

fail1:

	if (cf->socket.io_offset)

		iounmap((void __iomem *) cf->socket.io_offset);

	free_irq(irq, cf);

fail0:

	kfree(cf);