V4L/DVB (6407): planb: fix obvious interrupt handling bugs

irq handlers have returned a return value for years now... catch up with
the times.

Also, ditch unneeded prototype.

Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>

diff --git a/drivers/media/video/planb.c b/drivers/media/video/planb.c
index ce4b2f9791ee5718535435f59f9e833ce4087c01..36047d4e70f625d1fa693e210c60eebbb9d20fc8 100644 (file)
--- a/drivers/media/video/planb.c
+++ b/drivers/media/video/planb.c
@@ -91,7 +91,6 @@ static void planb_close(struct video_device *);
 static int planb_ioctl(struct video_device *, unsigned int, void *);
 static int planb_init_done(struct video_device *);
 static int planb_mmap(struct video_device *, const char *, unsigned long);
-static void planb_irq(int, void *);
 static void release_planb(void);
 int init_planbs(struct video_init *);
 
@@ -1315,7 +1314,7 @@ cmd_tab_data_end:
        return c1;
 }
 
-static void planb_irq(int irq, void *dev_id)
+static irqreturn_t planb_irq(int irq, void *dev_id)
 {
        unsigned int stat, astat;
        struct planb *pb = (struct planb *)dev_id;
@@ -1358,13 +1357,14 @@ static void planb_irq(int irq, void *dev_id)
                pb->frame_stat[fr] = GBUFFER_DONE;
                pb->grabbing--;
                wake_up_interruptible(&pb->capq);
-               return;
+               return IRQ_HANDLED;
        }
        /* incorrect interrupts? */
        pb->intr_mask = PLANB_CLR_IRQ;
        out_le32(&pb->planb_base->intr_stat, PLANB_CLR_IRQ);
        printk(KERN_ERR "PlanB: IRQ lockup, cleared intrrupts"
                                                        " unconditionally\n");
+       return IRQ_HANDLED;
 }
 
 /*******************************
@@ -2090,7 +2090,7 @@ static int init_planb(struct planb *pb)
        /* clear interrupt mask */
        pb->intr_mask = PLANB_CLR_IRQ;
 
-       result = request_irq(pb->irq, planb_irq, 0, "PlanB", (void *)pb);
+       result = request_irq(pb->irq, planb_irq, 0, "PlanB", pb);
        if (result < 0) {
                if (result==-EINVAL)
                        printk(KERN_ERR "PlanB: Bad irq number (%d) "