ALSA: Deletion of checks before the function call "iounmap"

The iounmap() function performs also input parameter validation.
Thus the test around the call is not needed.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Takashi Iwai <tiwai@suse.de>

1 files changed, 6 insertions, 7 deletions

diff --git a/sound/aoa/soundbus/i2sbus/core.c b/sound/aoa/soundbus/i2sbus/core.c
index 837ba99a7524..b9737fae656a 100644
--- a/sound/aoa/soundbus/i2sbus/core.c
+++ b/sound/aoa/soundbus/i2sbus/core.c
@@ -74,10 +74,9 @@ static void i2sbus_release_dev(struct device *dev)
         int i;
 
         i2sdev = container_of(dev, struct i2sbus_dev, sound.ofdev.dev);
-
-        if (i2sdev->intfregs) iounmap(i2sdev->intfregs);
-        if (i2sdev->out.dbdma) iounmap(i2sdev->out.dbdma);
-        if (i2sdev->in.dbdma) iounmap(i2sdev->in.dbdma);
+        iounmap(i2sdev->intfregs);
+        iounmap(i2sdev->out.dbdma);
+        iounmap(i2sdev->in.dbdma);
         for (i = aoa_resource_i2smmio; i <= aoa_resource_rxdbdma; i++)
                 release_and_free_resource(i2sdev->allocated_resource[i]);
         free_dbdma_descriptor_ring(i2sdev, &i2sdev->out.dbdma_ring);
@@ -318,9 +317,9 @@ static int i2sbus_add_dev(struct macio_dev *macio,
                         free_irq(dev->interrupts[i], dev);
         free_dbdma_descriptor_ring(dev, &dev->out.dbdma_ring);
         free_dbdma_descriptor_ring(dev, &dev->in.dbdma_ring);
-        if (dev->intfregs) iounmap(dev->intfregs);
-        if (dev->out.dbdma) iounmap(dev->out.dbdma);
-        if (dev->in.dbdma) iounmap(dev->in.dbdma);
+        iounmap(dev->intfregs);
+        iounmap(dev->out.dbdma);
+        iounmap(dev->in.dbdma);
         for (i=0;i<3;i++)
                 release_and_free_resource(dev->allocated_resource[i]);
         mutex_destroy(&dev->lock);