diff options
| author | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2008-07-18 02:39:39 -0700 |
| commit | 49997d75152b3d23c53b0fa730599f2f74c92c65 (patch) | |
| tree | 46e93126170d02cfec9505172e545732c1b69656 /drivers/acpi/fan.c | |
| parent | a0c80b80e0fb48129e4e9d6a9ede914f9ff1850d (diff) | |
| parent | 5b664cb235e97afbf34db9c4d77f08ebd725335e (diff) | |
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
Conflicts:
Documentation/powerpc/booting-without-of.txt
drivers/atm/Makefile
drivers/net/fs_enet/fs_enet-main.c
drivers/pci/pci-acpi.c
net/8021q/vlan.c
net/iucv/iucv.c
Diffstat (limited to 'drivers/acpi/fan.c')
| -rw-r--r-- | drivers/acpi/fan.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/acpi/fan.c b/drivers/acpi/fan.c index 6cf10cbc1ee..55c17afbe66 100644 --- a/drivers/acpi/fan.c +++ b/drivers/acpi/fan.c @@ -148,7 +148,7 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, int result = 0; struct seq_file *m = file->private_data; struct acpi_device *device = m->private; - char state_string[12] = { '\0' }; + char state_string[3] = { '\0' }; if (count > sizeof(state_string) - 1) return -EINVAL; @@ -157,6 +157,12 @@ acpi_fan_write_state(struct file *file, const char __user * buffer, return -EFAULT; state_string[count] = '\0'; + if ((state_string[0] < '0') || (state_string[0] > '3')) + return -EINVAL; + if (state_string[1] == '\n') + state_string[1] = '\0'; + if (state_string[1] != '\0') + return -EINVAL; result = acpi_bus_set_power(device->handle, simple_strtoul(state_string, NULL, 0)); |