[PATCH] vfio: Extended capability fixes
From: Alex Williamson
Date: Tue Nov 02 2010 - 01:29:58 EST
- Virtual channel position gets truncated as a u8
- Print the ecap that's unknown, not the last cap we saw
- Print actual config offset, which provides enough info to make
some sense of the error.
Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
---
drivers/vfio/vfio_pci_config.c | 8 ++++----
1 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/drivers/vfio/vfio_pci_config.c b/drivers/vfio/vfio_pci_config.c
index 8af995d..8304316 100644
--- a/drivers/vfio/vfio_pci_config.c
+++ b/drivers/vfio/vfio_pci_config.c
@@ -410,7 +410,7 @@ static int vfio_msi_cap_len(struct vfio_dev *vdev, u8 pos)
* Determine extended capability length for VC (2 & 9) and
* MFVC capabilities
*/
-static int vfio_vc_cap_len(struct vfio_dev *vdev, u8 pos)
+static int vfio_vc_cap_len(struct vfio_dev *vdev, u16 pos)
{
struct pci_dev *pdev = vdev->pdev;
u32 dw;
@@ -580,7 +580,7 @@ int vfio_build_config_map(struct vfio_dev *vdev)
printk(KERN_WARNING
"%s: pci config conflict at %x, "
"caps %x %x\n",
- __func__, i, map[pos+i], cap);
+ __func__, pos+i, map[pos+i], cap);
map[pos+i] = cap;
}
ret = pci_read_config_byte(pdev, pos + PCI_CAP_LIST_NEXT, &pos);
@@ -683,7 +683,7 @@ int vfio_build_config_map(struct vfio_dev *vdev)
if (len == 0 || len == 0xFF) {
printk(KERN_WARNING
"%s: unknown length for pci ext cap %x\n",
- __func__, cap);
+ __func__, ecap);
len = PCI_CAP_SIZEOF;
}
for (i = 0; i < len; i++) {
@@ -691,7 +691,7 @@ int vfio_build_config_map(struct vfio_dev *vdev)
printk(KERN_WARNING
"%s: pci config conflict at %x, "
"caps %x %x\n",
- __func__, i, map[epos+i], ecap);
+ __func__, epos+i, map[epos+i], ecap);
map[epos+i] = ecap;
}
--
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