On 4/16/24 08:51, Cai Xinchen wrote:

The commit 04e5eac8f3ab("fbdev: savage: Error out if pixclock equals zero") checks the value of pixclock to avoid divide-by-zero error. However the function savagefb_probe doesn't handle the error return of savagefb_check_var. When pixclock is 0, it will cause divide-by-zero error.

Fixes: 04e5eac8f3ab ("fbdev: savage: Error out if pixclock equals zero") Signed-off-by: Cai Xinchen caixinchen1@huawei.com Cc: stable@vger.kernel.org

---

drivers/video/fbdev/savage/savagefb_driver.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)

applied. Thanks! Helge

diff --git a/drivers/video/fbdev/savage/savagefb_driver.c b/drivers/video/fbdev/savage/savagefb_driver.c index ebc9aeffdde7..ac41f8f37589 100644 --- a/drivers/video/fbdev/savage/savagefb_driver.c +++ b/drivers/video/fbdev/savage/savagefb_driver.c @@ -2276,7 +2276,10 @@ static int savagefb_probe(struct pci_dev *dev, const struct pci_device_id *id) if (info->var.xres_virtual > 0x1000) info->var.xres_virtual = 0x1000; #endif

• savagefb_check_var(&info->var, info);

• err = savagefb_check_var(&info->var, info);

• if (err)

• goto failed;
  

• savagefb_set_fix(info);

  /*