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>

2 files changed, 2 insertions, 8 deletions

diff --git a/sound/pci/ctxfi/cthw20k1.c b/sound/pci/ctxfi/cthw20k1.c
index b425aa8ee578..b8b0d8ef9319 100644
--- a/sound/pci/ctxfi/cthw20k1.c
+++ b/sound/pci/ctxfi/cthw20k1.c
@@ -1985,10 +1985,7 @@ static int hw_card_shutdown(struct hw *hw)
                 free_irq(hw->irq, hw);
 
         hw->irq = -1;
-
-        if (hw->mem_base)
-                iounmap(hw->mem_base);
-
+        iounmap(hw->mem_base);
         hw->mem_base = NULL;
 
         if (hw->io_base)
diff --git a/sound/pci/ctxfi/cthw20k2.c b/sound/pci/ctxfi/cthw20k2.c
index 253899d13790..4e16b4d05eed 100644
--- a/sound/pci/ctxfi/cthw20k2.c
+++ b/sound/pci/ctxfi/cthw20k2.c
@@ -2110,10 +2110,7 @@ static int hw_card_shutdown(struct hw *hw)
                 free_irq(hw->irq, hw);
 
         hw->irq = -1;
-
-        if (hw->mem_base)
-                iounmap(hw->mem_base);
-
+        iounmap(hw->mem_base);
         hw->mem_base = NULL;
 
         if (hw->io_base)