RE: [PATCH 3/5] drivers/infiniband: correct size computation

[Tung, Chien Tin]

>From: Julia Lawall <julia@xxxxxxx>
>
>The size argument to ioremap_nocache should be the size of desired
>information, not the pointer to it.
>
>The semantic match that finds this problem is as follows:
>(http://coccinelle.lip6.fr/)
>
>// <smpl>
>@expression@
>expression *x;
>@@
>
>x =
> <+...
>*sizeof(x)
>...+>// </smpl>
>
>Signed-off-by: Julia Lawall <julia@xxxxxxx>
>
>---
> drivers/infiniband/hw/nes/nes.c     |    3 ++-
> 1 files changed, 2 insertions(+), 1 deletions(-)
>
>diff --git a/drivers/infiniband/hw/nes/nes.c b/drivers/infiniband/hw/nes/nes.c
>index cbde0cf..95db98f 100644
>--- a/drivers/infiniband/hw/nes/nes.c
>+++ b/drivers/infiniband/hw/nes/nes.c
>@@ -521,7 +521,8 @@ static int __devinit nes_probe(struct pci_dev *pcidev, const struct pci_device_i
> 	spin_lock_init(&nesdev->indexed_regs_lock);
>
> 	/* Remap the PCI registers in adapter BAR0 to kernel VA space */
>-	mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0), sizeof(mmio_regs));
>+	mmio_regs = ioremap_nocache(pci_resource_start(pcidev, BAR_0),
>+				    pci_resource_len(pcidev, BAR_0));
> 	if (mmio_regs == NULL) {
> 		printk(KERN_ERR PFX "Unable to remap BAR0\n");
> 		ret = -EIO;

Acked-by: Chien Tung <chien.tin.tung@xxxxxxxxx>
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