lkml.org 
[lkml]   [2016]   [Oct]   [5]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] gpio/gpio-mxs : Unmap region obtained by of_iomap
Date
Free memory mapping, if mxs_gpio_probe is not successful.

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
---
drivers/gpio/gpio-mxs.c | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/drivers/gpio/gpio-mxs.c b/drivers/gpio/gpio-mxs.c
index b9daa0b..ee17248 100644
--- a/drivers/gpio/gpio-mxs.c
+++ b/drivers/gpio/gpio-mxs.c
@@ -308,8 +308,10 @@ static int mxs_gpio_probe(struct platform_device *pdev)
writel(~0U, port->base + PINCTRL_IRQSTAT(port) + MXS_CLR);

irq_base = irq_alloc_descs(-1, 0, 32, numa_node_id());
- if (irq_base < 0)
- return irq_base;
+ if (irq_base < 0) {
+ err = irq_base;
+ goto out_iounmap;
+ }

port->domain = irq_domain_add_legacy(np, 32, irq_base, 0,
&irq_domain_simple_ops, NULL);
@@ -349,6 +351,8 @@ out_irqdomain_remove:
irq_domain_remove(port->domain);
out_irqdesc_free:
irq_free_descs(irq_base, 32);
+out_iounmap:
+ iounmap(port->base);
return err;
}

--
1.7.9.5
\
 
 \ /
  Last update: 2016-10-05 11:40    [W:2.158 / U:2.088 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site