we are referencing the pointer after doing alloc_apertures,
as alloc_apertures kzallocs, the kzalloc may fail and we get a NULL.
so we need to check for NULL before we dereference this pointer
Signed-off-by: Devendra Naga <devendra.a...@gmail.com>
---
drivers/gpu/drm/mgag200/mgag200_drv.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c
b/drivers/gpu/drm/mgag200/mgag200_drv.c
index 93e832d..ea1024d 100644
--- a/drivers/gpu/drm/mgag200/mgag200_drv.c
+++ b/drivers/gpu/drm/mgag200/mgag200_drv.c
@@ -47,6 +47,9 @@ static void mgag200_kick_out_firmware_fb(struct pci_dev *pdev)
bool primary = false;
ap = alloc_apertures(1);
+ if (!ap)
+ return;
+
ap->ranges[0].base = pci_resource_start(pdev, 0);
ap->ranges[0].size = pci_resource_len(pdev, 0);
--
1.7.9.5
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