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, 2 insertions, 4 deletions

diff --git a/sound/pci/cs4281.c b/sound/pci/cs4281.c
index 05a4337f8116..ea339111c59f 100644
--- a/sound/pci/cs4281.c
+++ b/sound/pci/cs4281.c
@@ -1316,10 +1316,8 @@ static int snd_cs4281_free(struct cs4281 *chip)
 
         if (chip->irq >= 0)
                 free_irq(chip->irq, chip);
-        if (chip->ba0)
-                iounmap(chip->ba0);
-        if (chip->ba1)
-                iounmap(chip->ba1);
+        iounmap(chip->ba0);
+        iounmap(chip->ba1);
         pci_release_regions(chip->pci);
         pci_disable_device(chip->pci);