The driver forgets to free irq in remove which is requested in probe. Add the missed call to fix it. Also, the position of request_irq() in probe should be put before register_framebuffer().
Signed-off-by: Chuhong Yuan hslester96@gmail.com --- Changes in v2: - Modify the commit message. - Adjust the order of operations in probe and remove.
drivers/video/fbdev/arcfb.c | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-)
diff --git a/drivers/video/fbdev/arcfb.c b/drivers/video/fbdev/arcfb.c index 314ab82e01c0..ab553f940f9f 100644 --- a/drivers/video/fbdev/arcfb.c +++ b/drivers/video/fbdev/arcfb.c @@ -544,10 +544,6 @@ static int arcfb_probe(struct platform_device *dev) par->cslut[1] = 0x06; info->flags = FBINFO_FLAG_DEFAULT; spin_lock_init(&par->lock); - retval = register_framebuffer(info); - if (retval < 0) - goto err1; - platform_set_drvdata(dev, info); if (irq) { par->irq = irq; if (request_irq(par->irq, &arcfb_interrupt, IRQF_SHARED, @@ -558,6 +554,10 @@ static int arcfb_probe(struct platform_device *dev) goto err1; } } + retval = register_framebuffer(info); + if (retval < 0) + goto err1; + platform_set_drvdata(dev, info); fb_info(info, "Arc frame buffer device, using %dK of video memory\n", videomemorysize >> 10);
@@ -593,6 +593,8 @@ static int arcfb_remove(struct platform_device *dev)
if (info) { unregister_framebuffer(info); + if (irq) + free_irq(par->irq, info); vfree((void __force *)info->screen_base); framebuffer_release(info); }