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| author | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-14 20:13:19 +0400 |
|---|---|---|
| committer | Mark Brown <broonie@opensource.wolfsonmicro.com> | 2013-02-14 20:13:19 +0400 |
| commit | f2e5d078f7f02d4289db31f5f63e23e39914075e (patch) | |
| tree | c739a3e70846284ae2ce3d98cecc2be1ffebe2e2 /drivers/acpi/proc.c | |
| parent | c66a566afbe6e2c94b1ae70f70cc1e3d4c73639b (diff) | |
| parent | 836dc9e3fbbab0c30aa6e664417225f5c1fb1c39 (diff) | |
| download | linux-f2e5d078f7f02d4289db31f5f63e23e39914075e.tar.xz | |
Merge tag 'v3.8-rc7' into regulator-core
Linux 3.8-rc7
Diffstat (limited to 'drivers/acpi/proc.c')
| -rw-r--r-- | drivers/acpi/proc.c | 11 |
1 files changed, 4 insertions, 7 deletions
diff --git a/drivers/acpi/proc.c b/drivers/acpi/proc.c index 27adb090bb30..ef98796b3824 100644 --- a/drivers/acpi/proc.c +++ b/drivers/acpi/proc.c @@ -362,16 +362,13 @@ acpi_system_write_wakeup_device(struct file *file, struct list_head *node, *next; char strbuf[5]; char str[5] = ""; - unsigned int len = count; - if (len > 4) - len = 4; - if (len < 0) - return -EFAULT; + if (count > 4) + count = 4; - if (copy_from_user(strbuf, buffer, len)) + if (copy_from_user(strbuf, buffer, count)) return -EFAULT; - strbuf[len] = '\0'; + strbuf[count] = '\0'; sscanf(strbuf, "%s", str); mutex_lock(&acpi_device_lock); |