diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-14 15:01:02 -0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-11-14 15:01:02 -0800 |
| commit | ecdca043ebe8e3172e0400d0966831e2e60870a0 (patch) | |
| tree | c1433e2399f544970e1f9ae7a469dbc9172c8e9f /drivers/pci/proc.c | |
| parent | bb3215e97bb1ab917ed858322a9399fb32e69e49 (diff) | |
| parent | 77b67063bb6bce6d475e910d3b886a606d0d91f7 (diff) | |
Merge 3.7-rc5 into driver-core-next
Diffstat (limited to 'drivers/pci/proc.c')
| -rw-r--r-- | drivers/pci/proc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c index eb907a8faf2..9b8505ccc56 100644 --- 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; |