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| author | Ingo Molnar <mingo@kernel.org> | 2012-12-07 12:15:33 +0100 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2012-12-07 12:15:33 +0100 |
| commit | 222e82bef4bd520a31d48c31ab24e49dd46daa46 (patch) | |
| tree | b6e73cad8e0b3a1c3e1acc537789e97aadaefa92 /drivers/pci/proc.c | |
| parent | 38ca9c927c7d3db61f57e3d3a9334958c3af6e9a (diff) | |
| parent | 18a2f371f5edf41810f6469cb9be39931ef9deb9 (diff) | |
Merge branch 'linus' into sched/core
Pick up the autogroups fix and other fixes.
Signed-off-by: Ingo Molnar <mingo@kernel.org>
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; |