V4L/DVB (11958): usbvision-core.c: vfree does its own NULL check

vfree() does it's own NULL checking,so no need for check before
calling it.

Signed-off-by: Figo.zhang <figo1802@gmail.com>
Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

diff --git a/drivers/media/video/usbvision/usbvision-core.c b/drivers/media/video/usbvision/usbvision-core.c
index 8bc03b9..6ba16ab 100644 (file)
--- a/drivers/media/video/usbvision/usbvision-core.c
+++ b/drivers/media/video/usbvision/usbvision-core.c
@@ -390,10 +390,9 @@ int usbvision_scratch_alloc(struct usb_usbvision *usbvision)
 
 void usbvision_scratch_free(struct usb_usbvision *usbvision)
 {
-       if (usbvision->scratch != NULL) {
-               vfree(usbvision->scratch);
-               usbvision->scratch = NULL;
-       }
+       vfree(usbvision->scratch);
+       usbvision->scratch = NULL;
+
 }
 
 /*
@@ -506,10 +505,9 @@ int usbvision_decompress_alloc(struct usb_usbvision *usbvision)
  */
 void usbvision_decompress_free(struct usb_usbvision *usbvision)
 {
-       if (usbvision->IntraFrameBuffer != NULL) {
-               vfree(usbvision->IntraFrameBuffer);
-               usbvision->IntraFrameBuffer = NULL;
-       }
+       vfree(usbvision->IntraFrameBuffer);
+       usbvision->IntraFrameBuffer = NULL;
+
 }
 
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