net/irda: sh_sir: Modify iounmap wrong execution
On sh_sir_probe function, there was a possibility that
iounmap is executed even though self->membase was NULL when error case.
This patch modify it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/irda/sh_sir.c b/drivers/net/irda/sh_sir.c
index 761ed012..7c17ab8 100644
--- a/drivers/net/irda/sh_sir.c
+++ b/drivers/net/irda/sh_sir.c
@@ -708,7 +708,6 @@
struct sh_sir_self *self;
struct resource *res;
char clk_name[8];
- void __iomem *base;
unsigned int irq;
int err = -ENOMEM;
@@ -723,14 +722,14 @@
if (!ndev)
goto exit;
- base = ioremap_nocache(res->start, resource_size(res));
- if (!base) {
+ self = netdev_priv(ndev);
+ self->membase = ioremap_nocache(res->start, resource_size(res));
+ if (!self->membase) {
err = -ENXIO;
dev_err(&pdev->dev, "Unable to ioremap.\n");
goto err_mem_1;
}
- self = netdev_priv(ndev);
err = sh_sir_init_iobuf(self, IRDA_SKB_MAX_MTU, IRDA_SIR_MAX_FRAME);
if (err)
goto err_mem_2;
@@ -747,7 +746,6 @@
ndev->netdev_ops = &sh_sir_ndo;
ndev->irq = irq;
- self->membase = base;
self->ndev = ndev;
self->qos.baud_rate.bits &= IR_9600; /* FIXME */
self->qos.min_turn_time.bits = 1; /* 10 ms or more */