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>
diff --git a/sound/pci/aw2/aw2-alsa.c b/sound/pci/aw2/aw2-alsa.c
index e1cf019..8d2fee7 100644
--- a/sound/pci/aw2/aw2-alsa.c
+++ b/sound/pci/aw2/aw2-alsa.c
@@ -229,9 +229,7 @@
if (chip->irq >= 0)
free_irq(chip->irq, (void *)chip);
/* release the i/o ports & memory */
- if (chip->iobase_virt)
- iounmap(chip->iobase_virt);
-
+ iounmap(chip->iobase_virt);
pci_release_regions(chip->pci);
/* disable the PCI entry */
pci_disable_device(chip->pci);