[PATCH] kfree cleanup: drivers/isdn

This is the drivers/isdn/ part of the big kfree cleanup patch.

Remove pointless checks for NULL prior to calling kfree() in drivers/isdn/.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Karsten Keil <kkeil@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

1 files changed, 4 insertions, 8 deletions

diff --git a/drivers/isdn/hisax/st5481_usb.c b/drivers/isdn/hisax/st5481_usb.c
index 89fbeb58485d..b096b64b0253 100644
--- a/drivers/isdn/hisax/st5481_usb.c
+++ b/drivers/isdn/hisax/st5481_usb.c
@@ -335,14 +335,12 @@ void st5481_release_usb(struct st5481_adapter *adapter)
 
         // Stop and free Control and Interrupt URBs
         usb_kill_urb(ctrl->urb);
-        if (ctrl->urb->transfer_buffer)
-                kfree(ctrl->urb->transfer_buffer);
+        kfree(ctrl->urb->transfer_buffer);
         usb_free_urb(ctrl->urb);
         ctrl->urb = NULL;
 
         usb_kill_urb(intr->urb);
-        if (intr->urb->transfer_buffer)
-                kfree(intr->urb->transfer_buffer);
+        kfree(intr->urb->transfer_buffer);
         usb_free_urb(intr->urb);
         ctrl->urb = NULL;
 }
@@ -457,8 +455,7 @@ st5481_setup_isocpipes(struct urb* urb[2], struct usb_device *dev,
  err:
         for (j = 0; j < 2; j++) {
                 if (urb[j]) {
-                        if (urb[j]->transfer_buffer)
-                                kfree(urb[j]->transfer_buffer);
+                        kfree(urb[j]->transfer_buffer);
                         urb[j]->transfer_buffer = NULL;
                         usb_free_urb(urb[j]);
                         urb[j] = NULL;
@@ -473,8 +470,7 @@ void st5481_release_isocpipes(struct urb* urb[2])
 
         for (j = 0; j < 2; j++) {
                 usb_kill_urb(urb[j]);
-                if (urb[j]->transfer_buffer)
-                        kfree(urb[j]->transfer_buffer);                 
+                kfree(urb[j]->transfer_buffer);
                 usb_free_urb(urb[j]);
                 urb[j] = NULL;
         }