Merge branch 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial

[mv-sheeva.git] / kernel / pm_qos_params.c

diff --git a/kernel/pm_qos_params.c b/kernel/pm_qos_params.c
index 49829c5b4b478671368ec5f814970deda4eb1fc0..c7a8f453919e65a42e0251b968a2d3652e0a4c3a 100644 (file)
--- a/kernel/pm_qos_params.c
+++ b/kernel/pm_qos_params.c
@@ -110,6 +110,7 @@ static const struct file_operations pm_qos_power_fops = {
        .write = pm_qos_power_write,
        .open = pm_qos_power_open,
        .release = pm_qos_power_release,
+       .llseek = noop_llseek,
 };
 
 /* unlocked internal variant */
@@ -212,15 +213,17 @@ EXPORT_SYMBOL_GPL(pm_qos_request_active);
 
 /**
  * pm_qos_add_request - inserts new qos request into the list
- * @pm_qos_class: identifies which list of qos request to us
+ * @dep: pointer to a preallocated handle
+ * @pm_qos_class: identifies which list of qos request to use
  * @value: defines the qos request
  *
  * This function inserts a new entry in the pm_qos_class list of requested qos
  * performance characteristics.  It recomputes the aggregate QoS expectations
- * for the pm_qos_class of parameters, and returns the pm_qos_request list
- * element as a handle for use in updating and removal.  Call needs to save
- * this handle for later use.
+ * for the pm_qos_class of parameters and initializes the pm_qos_request_list
+ * handle.  Caller needs to save this handle for later use in updates and
+ * removal.
  */
+
 void pm_qos_add_request(struct pm_qos_request_list *dep,
                        int pm_qos_class, s32 value)
 {
@@ -348,7 +351,7 @@ static int pm_qos_power_open(struct inode *inode, struct file *filp)
 
        pm_qos_class = find_pm_qos_object_by_minor(iminor(inode));
        if (pm_qos_class >= 0) {
-               struct pm_qos_request_list *req = kzalloc(GFP_KERNEL, sizeof(*req));
+               struct pm_qos_request_list *req = kzalloc(sizeof(*req), GFP_KERNEL);
                if (!req)
                        return -ENOMEM;
 
@@ -387,10 +390,12 @@ static ssize_t pm_qos_power_write(struct file *filp, const char __user *buf,
        } else if (count == 11) { /* len('0x12345678/0') */
                if (copy_from_user(ascii_value, buf, 11))
                        return -EFAULT;
+               if (strlen(ascii_value) != 10)
+                       return -EINVAL;
                x = sscanf(ascii_value, "%x", &value);
                if (x != 1)
                        return -EINVAL;
-               pr_debug(KERN_ERR "%s, %d, 0x%x\n", ascii_value, x, value);
+               pr_debug("%s, %d, 0x%x\n", ascii_value, x, value);
        } else
                return -EINVAL;