V4L/DVB (4786): Pvrusb2: use NULL instead of 0

Fix sparse NULL usage warnings:
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:714:14: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:715:16: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-v4l2.c:1079:10: warning: Using plain integer as NULL pointer
drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c:224:58: warning: Using plain integer as NULL pointer

Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
index df8feac..c80c26b 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-cx2584x-v4l.c
@@ -221,7 +221,7 @@ static unsigned int decoder_describe(struct pvr2_v4l_cx2584x *ctxt,
 static void decoder_reset(struct pvr2_v4l_cx2584x *ctxt)
 {
        int ret;
-       ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,0);
+       ret = pvr2_i2c_client_cmd(ctxt->client,VIDIOC_INT_RESET,NULL);
        pvr2_trace(PVR2_TRACE_CHIPS,"i2c cx25840 decoder_reset (ret=%d)",ret);
 }
 

diff --git a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
index 97e974d..bb40e90 100644 (file)
--- a/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-v4l2.c
@@ -711,8 +711,8 @@ static void pvr2_v4l2_dev_destroy(struct pvr2_v4l2_dev *dip)
               dip->devbase.minor,pvr2_config_get_name(dip->config));
 
        /* Paranoia */
-       dip->v4lp = 0;
-       dip->stream = 0;
+       dip->v4lp = NULL;
+       dip->stream = NULL;
 
        /* Actual deallocation happens later when all internal references
           are gone. */
@@ -1076,7 +1076,7 @@ struct pvr2_v4l2 *pvr2_v4l2_create(struct pvr2_context *mnp)
        vp->vdev = kmalloc(sizeof(*vp->vdev),GFP_KERNEL);
        if (!vp->vdev) {
                kfree(vp);
-               return 0;
+               return NULL;
        }
        memset(vp->vdev,0,sizeof(*vp->vdev));
        pvr2_channel_init(&vp->channel,mnp);