[media] omap3isp: Remove unneeded memset after kzalloc

kzalloc initializes the memory it allocates to 0, there's no need for an
explicit memset.
Signed-off-by: NLaurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: NSakari Ailus <sakari.ailus@iki.fi>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/platform/omap3isp/isph3a_aewb.c

@@ -306,7 +306,6 @@ int omap3isp_h3a_aewb_init(struct isp_device *isp)
 	if (!aewb_cfg)
 		return -ENOMEM;
 
-	memset(aewb, 0, sizeof(*aewb));
 	aewb->ops = &h3a_aewb_ops;
 	aewb->priv = aewb_cfg;
 	aewb->dma_ch = -1;

drivers/media/platform/omap3isp/isph3a_af.c

@@ -369,7 +369,6 @@ int omap3isp_h3a_af_init(struct isp_device *isp)
 	if (af_cfg == NULL)
 		return -ENOMEM;
 
-	memset(af, 0, sizeof(*af));
 	af->ops = &h3a_af_ops;
 	af->priv = af_cfg;
 	af->dma_ch = -1;

drivers/media/platform/omap3isp/isphist.c

@@ -481,7 +481,6 @@ int omap3isp_hist_init(struct isp_device *isp)
 	if (hist_cfg == NULL)
 		return -ENOMEM;
 
-	memset(hist, 0, sizeof(*hist));
 	hist->isp = isp;
 
 	if (HIST_CONFIG_DMA)