Re: [PATCH] pata_octeon_cf: fix ata_host_activate() failure handling

From: David Daney
Date: Mon Mar 31 2014 - 14:14:22 EST


On 03/31/2014 10:53 AM, Bartlomiej Zolnierkiewicz wrote:
Add missing kfree() call to ata_host_activate() failure path.


Are you seeing failures in real systems, or is this just a change to fix a theoretical memory leak?


Cc: Ralf Baechle <ralf@xxxxxxxxxxxxxx>
Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@xxxxxxxxxxx>

Did you test the patch on real hardware? If so, you can add:

Acked-By: David Daney <david.daney@xxxxxxxxxx>

Otherwise, somebody will have to go and test it.

Thanks,
David Daney


---
drivers/ata/pata_octeon_cf.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

Index: b/drivers/ata/pata_octeon_cf.c
===================================================================
--- a/drivers/ata/pata_octeon_cf.c 2014-03-14 16:45:04.320724377 +0100
+++ b/drivers/ata/pata_octeon_cf.c 2014-03-31 18:58:44.367604046 +0200
@@ -1020,13 +1020,16 @@ static int octeon_cf_probe(struct platfo

ata_port_desc(ap, "cmd %p ctl %p", base, ap->ioaddr.ctl_addr);

-
dev_info(&pdev->dev, "version " DRV_VERSION" %d bit%s.\n",
is_16bit ? 16 : 8,
cf_port->is_true_ide ? ", True IDE" : "");

- return ata_host_activate(host, irq, irq_handler,
- IRQF_SHARED, &octeon_cf_sht);
+ rv = ata_host_activate(host, irq, irq_handler,
+ IRQF_SHARED, &octeon_cf_sht);
+ if (rv)
+ goto free_cf_port;
+
+ return 0;

free_cf_port:
kfree(cf_port);

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