In the current code the vfio_platform_region is copied on the stack.
As a consequence the ioaddr address is not iounmapped in the vfio
platform driver (vfio_platform_regions_cleanup). The patch uses the
pointer to the region instead.
Signed-off-by: Eric Auger <eric.au...@linaro.org>
---
drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
b/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
index 640f5d8..e3d3d94 100644
--- a/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
+++ b/drivers/vfio/platform/reset/vfio_platform_calxedaxgmac.c
@@ -59,20 +59,20 @@ static inline void xgmac_mac_disable(void __iomem *ioaddr)
int vfio_platform_calxedaxgmac_reset(struct vfio_platform_device *vdev)
{
- struct vfio_platform_region reg = vdev->regions[0];
+ struct vfio_platform_region *reg = &vdev->regions[0];
- if (!reg.ioaddr) {
- reg.ioaddr =
- ioremap_nocache(reg.addr, reg.size);
- if (!reg.ioaddr)
+ if (!reg->ioaddr) {
+ reg->ioaddr =
+ ioremap_nocache(reg->addr, reg->size);
+ if (!reg->ioaddr)
return -ENOMEM;
}
/* disable IRQ */
- writel(0, reg.ioaddr + XGMAC_DMA_INTR_ENA);
+ writel(0, reg->ioaddr + XGMAC_DMA_INTR_ENA);
/* Disable the MAC core */
- xgmac_mac_disable(reg.ioaddr);
+ xgmac_mac_disable(reg->ioaddr);
return 0;
}
--
1.9.1
--
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