[media] mantis: fix compiler warnings

Signed-off-by: NHans Verkuil <hans.verkuil@cisco.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/mantis/hopper_cards.c

@@ -65,7 +65,7 @@ static int devs;
 
 static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
 {
-	u32 stat = 0, mask = 0, lstat = 0, mstat = 0;
+	u32 stat = 0, mask = 0, lstat = 0;
 	u32 rst_stat = 0, rst_mask = 0;
 
 	struct mantis_pci *mantis;
@@ -80,7 +80,7 @@ static irqreturn_t hopper_irq_handler(int irq, void *dev_id)
 
 	stat = mmread(MANTIS_INT_STAT);
 	mask = mmread(MANTIS_INT_MASK);
-	mstat = lstat = stat & ~MANTIS_INT_RISCSTAT;
+	lstat = stat & ~MANTIS_INT_RISCSTAT;
 	if (!(stat & mask))
 		return IRQ_NONE;
 

drivers/media/dvb/mantis/mantis_cards.c

@@ -73,7 +73,7 @@ static char *label[10] = {
 
 static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
 {
-	u32 stat = 0, mask = 0, lstat = 0, mstat = 0;
+	u32 stat = 0, mask = 0, lstat = 0;
 	u32 rst_stat = 0, rst_mask = 0;
 
 	struct mantis_pci *mantis;
@@ -88,7 +88,7 @@ static irqreturn_t mantis_irq_handler(int irq, void *dev_id)
 
 	stat = mmread(MANTIS_INT_STAT);
 	mask = mmread(MANTIS_INT_MASK);
-	mstat = lstat = stat & ~MANTIS_INT_RISCSTAT;
+	lstat = stat & ~MANTIS_INT_RISCSTAT;
 	if (!(stat & mask))
 		return IRQ_NONE;