Merge tag 'omapdss-for-3.8' of git://gitorious.org/linux-omap-dss2/linux into for...

[cascardo/linux.git] / drivers / pci / proc.c

diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index eb907a8..9b8505c 100644 (file)
--- a/drivers/pci/proc.c
+++ b/drivers/pci/proc.c
@@ -76,6 +76,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
        if (!access_ok(VERIFY_WRITE, buf, cnt))
                return -EINVAL;
 
+       pci_config_pm_runtime_get(dev);
+
        if ((pos & 1) && cnt) {
                unsigned char val;
                pci_user_read_config_byte(dev, pos, &val);
@@ -121,6 +123,8 @@ proc_bus_pci_read(struct file *file, char __user *buf, size_t nbytes, loff_t *pp
                cnt--;
        }
 
+       pci_config_pm_runtime_put(dev);
+
        *ppos = pos;
        return nbytes;
 }
@@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
        if (!access_ok(VERIFY_READ, buf, cnt))
                return -EINVAL;
 
+       pci_config_pm_runtime_get(dev);
+
        if ((pos & 1) && cnt) {
                unsigned char val;
                __get_user(val, buf);
@@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
                cnt--;
        }
 
+       pci_config_pm_runtime_put(dev);
+
        *ppos = pos;
        i_size_write(ino, dp->size);
        return nbytes;