Staging: i4l: Remove NULL comparison.

This patch removes the explicit NULL comparison. This issue was found by
checkpatch.

Signed-off-by: Sandhya Bankar <bankarsandhya512@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/i4l/act2000/act2000_isa.c

@@ -166,7 +166,7 @@ act2000_isa_config_port(act2000_card *card, unsigned short portbase)
 		release_region(card->port, ISA_REGION);
 		card->flags &= ~ACT2000_FLAGS_PVALID;
 	}
-	if (request_region(portbase, ACT2000_PORTLEN, card->regname) == NULL)
+	if (!request_region(portbase, ACT2000_PORTLEN, card->regname))
 		return -EBUSY;
 	else {
 		card->port = portbase;
@@ -244,7 +244,7 @@ act2000_isa_receive(act2000_card *card)
 				if (valid) {
 					card->idat.isa.rcvlen = ((actcapi_msghdr *)&card->idat.isa.rcvhdr)->len;
 					card->idat.isa.rcvskb = dev_alloc_skb(card->idat.isa.rcvlen);
-					if (card->idat.isa.rcvskb == NULL) {
+					if (!card->idat.isa.rcvskb) {
 						card->idat.isa.rcvignore = 1;
 						printk(KERN_WARNING
 						       "act2000_isa_receive: no memory\n");