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Diffstat (limited to 'kernel/drivers/xen/xen-pciback')
-rw-r--r--kernel/drivers/xen/xen-pciback/conf_space.c6
1 files changed, 2 insertions, 4 deletions
diff --git a/kernel/drivers/xen/xen-pciback/conf_space.c b/kernel/drivers/xen/xen-pciback/conf_space.c
index 9c234209d..47a4177b1 100644
--- a/kernel/drivers/xen/xen-pciback/conf_space.c
+++ b/kernel/drivers/xen/xen-pciback/conf_space.c
@@ -183,8 +183,7 @@ int xen_pcibk_config_read(struct pci_dev *dev, int offset, int size,
field_start = OFFSET(cfg_entry);
field_end = OFFSET(cfg_entry) + field->size;
- if ((req_start >= field_start && req_start < field_end)
- || (req_end > field_start && req_end <= field_end)) {
+ if (req_end > field_start && field_end > req_start) {
err = conf_space_read(dev, cfg_entry, field_start,
&tmp_val);
if (err)
@@ -230,8 +229,7 @@ int xen_pcibk_config_write(struct pci_dev *dev, int offset, int size, u32 value)
field_start = OFFSET(cfg_entry);
field_end = OFFSET(cfg_entry) + field->size;
- if ((req_start >= field_start && req_start < field_end)
- || (req_end > field_start && req_end <= field_end)) {
+ if (req_end > field_start && field_end > req_start) {
tmp_val = 0;
err = xen_pcibk_config_read(dev, field_start,