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-rw-r--r--drivers/usb/class/cdc-acm.c2
-rw-r--r--drivers/usb/class/cdc-wdm.c3
-rw-r--r--drivers/usb/class/usbtmc.c9
3 files changed, 6 insertions, 8 deletions
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index d50a99f70ae..00b47ea24f8 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1275,7 +1275,7 @@ static int acm_suspend(struct usb_interface *intf, pm_message_t message)
struct acm *acm = usb_get_intfdata(intf);
int cnt;
- if (acm->dev->auto_pm) {
+ if (message.event & PM_EVENT_AUTO) {
int b;
spin_lock_irq(&acm->read_lock);
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 5a8ecc045e3..3771d6e6d0c 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -764,7 +764,8 @@ static int wdm_suspend(struct usb_interface *intf, pm_message_t message)
mutex_lock(&desc->plock);
#ifdef CONFIG_PM
- if (interface_to_usbdev(desc->intf)->auto_pm && test_bit(WDM_IN_USE, &desc->flags)) {
+ if ((message.event & PM_EVENT_AUTO) &&
+ test_bit(WDM_IN_USE, &desc->flags)) {
rv = -EBUSY;
} else {
#endif
diff --git a/drivers/usb/class/usbtmc.c b/drivers/usb/class/usbtmc.c
index 43a863c5cc4..0f5c05f6f9d 100644
--- a/drivers/usb/class/usbtmc.c
+++ b/drivers/usb/class/usbtmc.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/module.h>
+#include <linux/kernel.h>
#include <linux/fs.h>
#include <linux/uaccess.h>
#include <linux/kref.h>
@@ -482,7 +483,6 @@ static ssize_t usbtmc_write(struct file *filp, const char __user *buf,
int retval;
int actual;
unsigned long int n_bytes;
- int n;
int remaining;
int done;
int this_part;
@@ -526,11 +526,8 @@ static ssize_t usbtmc_write(struct file *filp, const char __user *buf,
goto exit;
}
- n_bytes = 12 + this_part;
- if (this_part % 4)
- n_bytes += 4 - this_part % 4;
- for (n = 12 + this_part; n < n_bytes; n++)
- buffer[n] = 0;
+ n_bytes = roundup(12 + this_part, 4);
+ memset(buffer + 12 + this_part, 0, n_bytes - (12 + this_part));
retval = usb_bulk_msg(data->usb_dev,
usb_sndbulkpipe(data->usb_dev,