[PATCH] USB: kfree cleanup for drivers/usb/* - no need to check for NULL

Get rid of a bunch of redundant NULL pointer checks in drivers/usb/*,
there's no need to check a pointer for NULL before calling kfree() on it.

Signed-off-by: Jesper Juhl <juhl-lkml@dif.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>


Index: gregkh-2.6/drivers/usb/class/audio.c
===================================================================

2 files changed, 3 insertions, 7 deletions

diff --git a/drivers/usb/host/ehci-mem.c b/drivers/usb/host/ehci-mem.c
index 9938697ff361..5c38ad869485 100644
--- a/drivers/usb/host/ehci-mem.c
+++ b/drivers/usb/host/ehci-mem.c
@@ -156,8 +156,7 @@ static void ehci_mem_cleanup (struct ehci_hcd *ehci)
         ehci->periodic = NULL;
 
         /* shadow periodic table */
-        if (ehci->pshadow)
-                kfree (ehci->pshadow);
+        kfree(ehci->pshadow);
         ehci->pshadow = NULL;
 }
 
diff --git a/drivers/usb/host/uhci-hcd.c b/drivers/usb/host/uhci-hcd.c
index 98745a072d6f..49bd83ee0c75 100644
--- a/drivers/usb/host/uhci-hcd.c
+++ b/drivers/usb/host/uhci-hcd.c
@@ -890,8 +890,7 @@ up_failed:
         debugfs_remove(uhci_debugfs_root);
 
 debug_failed:
-        if (errbuf)
-                kfree(errbuf);
+        kfree(errbuf);
 
 errbuf_failed:
 
@@ -906,9 +905,7 @@ static void __exit uhci_hcd_cleanup(void)
                 warn("not all urb_priv's were freed!");
 
         debugfs_remove(uhci_debugfs_root);
-
-        if (errbuf)
-                kfree(errbuf);
+        kfree(errbuf);
 }
 
 module_init(uhci_hcd_init);