diff options
Diffstat (limited to 'drivers/video/fbdev/pm2fb.c')
| -rw-r--r-- | drivers/video/fbdev/pm2fb.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/video/fbdev/pm2fb.c b/drivers/video/fbdev/pm2fb.c index d3be2c64f1c0..7da715d31a93 100644 --- a/drivers/video/fbdev/pm2fb.c +++ b/drivers/video/fbdev/pm2fb.c @@ -27,6 +27,7 @@ * */ +#include <linux/aperture.h> #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/kernel.h> @@ -617,6 +618,11 @@ static int pm2fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) return -EINVAL; } + if (!var->pixclock) { + DPRINTK("pixclock is zero\n"); + return -EINVAL; + } + if (PICOS2KHZ(var->pixclock) > PM2_MAX_PIXCLOCK) { DPRINTK("pixclock too high (%ldKHz)\n", PICOS2KHZ(var->pixclock)); @@ -1516,6 +1522,10 @@ static int pm2fb_probe(struct pci_dev *pdev, const struct pci_device_id *id) int err; int retval = -ENXIO; + err = aperture_remove_conflicting_pci_devices(pdev, "pm2fb"); + if (err) + return err; + err = pci_enable_device(pdev); if (err) { printk(KERN_WARNING "pm2fb: Can't enable pdev: %d\n", err); |