[PATCH RESEND 6/7] watchdog: riowd: use devm_kzalloc()

From: Jingoo Han
Date: Mon Apr 29 2013 - 05:36:17 EST


Use devm_kzalloc() to make cleanup paths simpler.

Signed-off-by: Jingoo Han <jg1.han@xxxxxxxxxxx>
---
drivers/watchdog/riowd.c | 8 ++------
1 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/watchdog/riowd.c b/drivers/watchdog/riowd.c
index 0040451..13363ad 100644
--- a/drivers/watchdog/riowd.c
+++ b/drivers/watchdog/riowd.c
@@ -183,7 +183,7 @@ static int riowd_probe(struct platform_device *op)
goto out;

err = -ENOMEM;
- p = kzalloc(sizeof(*p), GFP_KERNEL);
+ p = devm_kzalloc(&op->dev, sizeof(*p), GFP_KERNEL);
if (!p)
goto out;

@@ -192,7 +192,7 @@ static int riowd_probe(struct platform_device *op)
p->regs = of_ioremap(&op->resource[0], 0, 2, DRIVER_NAME);
if (!p->regs) {
pr_err("Cannot map registers\n");
- goto out_free;
+ goto out;
}
/* Make miscdev useable right away */
riowd_device = p;
@@ -213,9 +213,6 @@ out_iounmap:
riowd_device = NULL;
of_iounmap(&op->resource[0], p->regs, 2);

-out_free:
- kfree(p);
-
out:
return err;
}
@@ -226,7 +223,6 @@ static int riowd_remove(struct platform_device *op)

misc_deregister(&riowd_miscdev);
of_iounmap(&op->resource[0], p->regs, 2);
- kfree(p);

return 0;
}
--
1.7.2.5


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