[PATCH] gpio/gpio-mxs : Unmap region obtained by of_iomap
From: Arvind Yadav <hidden>
Date: 2016-10-05 09:39:59
Free memory mapping, if mxs_gpio_probe is not successful. Signed-off-by: Arvind Yadav <redacted> --- 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