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authorIngo Molnar <mingo@kernel.org>2012-12-08 09:25:06 -0500
committerIngo Molnar <mingo@kernel.org>2012-12-08 09:25:06 -0500
commitf0b9abfb044649bc452fb2fb975ff2fd599cc6a3 (patch)
tree7800081c5cb16a4dfee1e57a70f3be90f7b50d9a /drivers/pci/proc.c
parentadc1ef1e37358d3c17d1a74a58b2e104fc0bda15 (diff)
parent1b3c393cd43f22ead8a6a2f839efc6df8ebd7465 (diff)
Merge branch 'linus' into perf/core
Conflicts: tools/perf/Makefile tools/perf/builtin-test.c tools/perf/perf.h tools/perf/tests/parse-events.c tools/perf/util/evsel.h Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/pci/proc.c')
-rw-r--r--drivers/pci/proc.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/pci/proc.c b/drivers/pci/proc.c
index eb907a8faf2a..9b8505ccc56d 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
76 if (!access_ok(VERIFY_WRITE, buf, cnt)) 76 if (!access_ok(VERIFY_WRITE, buf, cnt))
77 return -EINVAL; 77 return -EINVAL;
78 78
79 pci_config_pm_runtime_get(dev);
80
79 if ((pos & 1) && cnt) { 81 if ((pos & 1) && cnt) {
80 unsigned char val; 82 unsigned char val;
81 pci_user_read_config_byte(dev, pos, &val); 83 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
121 cnt--; 123 cnt--;
122 } 124 }
123 125
126 pci_config_pm_runtime_put(dev);
127
124 *ppos = pos; 128 *ppos = pos;
125 return nbytes; 129 return nbytes;
126} 130}
@@ -146,6 +150,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
146 if (!access_ok(VERIFY_READ, buf, cnt)) 150 if (!access_ok(VERIFY_READ, buf, cnt))
147 return -EINVAL; 151 return -EINVAL;
148 152
153 pci_config_pm_runtime_get(dev);
154
149 if ((pos & 1) && cnt) { 155 if ((pos & 1) && cnt) {
150 unsigned char val; 156 unsigned char val;
151 __get_user(val, buf); 157 __get_user(val, buf);
@@ -191,6 +197,8 @@ proc_bus_pci_write(struct file *file, const char __user *buf, size_t nbytes, lof
191 cnt--; 197 cnt--;
192 } 198 }
193 199
200 pci_config_pm_runtime_put(dev);
201
194 *ppos = pos; 202 *ppos = pos;
195 i_size_write(ino, dp->size); 203 i_size_write(ino, dp->size);
196 return nbytes; 204 return nbytes;