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path: root/drivers/video/fbdev/sm712fb.c
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Diffstat (limited to 'drivers/video/fbdev/sm712fb.c')
-rw-r--r--drivers/video/fbdev/sm712fb.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/video/fbdev/sm712fb.c b/drivers/video/fbdev/sm712fb.c
index bdbe9c68e274..0dbc6bf8268a 100644
--- a/drivers/video/fbdev/sm712fb.c
+++ b/drivers/video/fbdev/sm712fb.c
@@ -1604,6 +1604,14 @@ static int smtcfb_pci_probe(struct pci_dev *pdev,
sfb->fb->fix.mmio_start = mmio_base;
sfb->fb->fix.mmio_len = 0x00200000;
sfb->dp_regs = ioremap(mmio_base, 0x00200000 + smem_size);
+ if (!sfb->dp_regs) {
+ dev_err(&pdev->dev,
+ "%s: unable to map memory mapped IO!\n",
+ sfb->fb->fix.id);
+ err = -ENOMEM;
+ goto failed_fb;
+ }
+
sfb->lfb = sfb->dp_regs + 0x00200000;
sfb->mmio = (smtc_regbaseaddress =
sfb->dp_regs + 0x000c0000);