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path: root/drivers/pci/access.c
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Diffstat (limited to 'drivers/pci/access.c')
-rw-r--r--drivers/pci/access.c14
1 files changed, 4 insertions, 10 deletions
diff --git a/drivers/pci/access.c b/drivers/pci/access.c
index ec8f7002b09d..39bb96b413ef 100644
--- a/drivers/pci/access.c
+++ b/drivers/pci/access.c
@@ -178,8 +178,7 @@ static int pci_vpd_pci22_read(struct pci_dev *dev, int pos, int size,
178 int ret; 178 int ret;
179 int begin, end, i; 179 int begin, end, i;
180 180
181 if (pos < 0 || pos > PCI_VPD_PCI22_SIZE || 181 if (pos < 0 || pos > vpd->base.len || size > vpd->base.len - pos)
182 size > PCI_VPD_PCI22_SIZE - pos)
183 return -EINVAL; 182 return -EINVAL;
184 if (size == 0) 183 if (size == 0)
185 return 0; 184 return 0;
@@ -223,8 +222,8 @@ static int pci_vpd_pci22_write(struct pci_dev *dev, int pos, int size,
223 u32 val; 222 u32 val;
224 int ret; 223 int ret;
225 224
226 if (pos < 0 || pos > PCI_VPD_PCI22_SIZE || pos & 3 || 225 if (pos < 0 || pos > vpd->base.len || pos & 3 ||
227 size > PCI_VPD_PCI22_SIZE - pos || size < 4) 226 size > vpd->base.len - pos || size < 4)
228 return -EINVAL; 227 return -EINVAL;
229 228
230 val = (u8) *buf++; 229 val = (u8) *buf++;
@@ -255,11 +254,6 @@ out:
255 return 4; 254 return 4;
256} 255}
257 256
258static int pci_vpd_pci22_get_size(struct pci_dev *dev)
259{
260 return PCI_VPD_PCI22_SIZE;
261}
262
263static void pci_vpd_pci22_release(struct pci_dev *dev) 257static void pci_vpd_pci22_release(struct pci_dev *dev)
264{ 258{
265 kfree(container_of(dev->vpd, struct pci_vpd_pci22, base)); 259 kfree(container_of(dev->vpd, struct pci_vpd_pci22, base));
@@ -268,7 +262,6 @@ static void pci_vpd_pci22_release(struct pci_dev *dev)
268static struct pci_vpd_ops pci_vpd_pci22_ops = { 262static struct pci_vpd_ops pci_vpd_pci22_ops = {
269 .read = pci_vpd_pci22_read, 263 .read = pci_vpd_pci22_read,
270 .write = pci_vpd_pci22_write, 264 .write = pci_vpd_pci22_write,
271 .get_size = pci_vpd_pci22_get_size,
272 .release = pci_vpd_pci22_release, 265 .release = pci_vpd_pci22_release,
273}; 266};
274 267
@@ -284,6 +277,7 @@ int pci_vpd_pci22_init(struct pci_dev *dev)
284 if (!vpd) 277 if (!vpd)
285 return -ENOMEM; 278 return -ENOMEM;
286 279
280 vpd->base.len = PCI_VPD_PCI22_SIZE;
287 vpd->base.ops = &pci_vpd_pci22_ops; 281 vpd->base.ops = &pci_vpd_pci22_ops;
288 spin_lock_init(&vpd->lock); 282 spin_lock_init(&vpd->lock);
289 vpd->cap = cap; 283 vpd->cap = cap;