Ignore this change. Sorry for noise.
Thanks
-Arvind
On Thursday 22 December 2016 05:36 PM, Arvind Yadav wrote:
Here, If pcim_iomap_table will fail. It will return NULL.
Kernel can run into a NULL-pointer dereference.
This error check will avoid NULL pointer dereference.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
---
drivers/mmc/host/dw_mmc-pci.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/mmc/host/dw_mmc-pci.c b/drivers/mmc/host/dw_mmc-pci.c
index ab82796..f42d302 100644
--- a/drivers/mmc/host/dw_mmc-pci.c
+++ b/drivers/mmc/host/dw_mmc-pci.c
@@ -61,6 +61,8 @@ static int dw_mci_pci_probe(struct pci_dev *pdev,
return ret;
host->regs = pcim_iomap_table(pdev)[PCI_BAR_NO];
+ if (!host->regs)
+ return -ENOMEM;
pci_set_master(pdev);
--
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