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authorIngo Molnar <mingo@elte.hu>2009-01-11 00:51:06 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 00:51:06 +0100
commit0811a433c61e85f895018239c4466a36311cd5de (patch)
tree276933e518e5525d24ae37b02df2db9909679260 /drivers/usb/class/usbtmc.c
parentc299030765292434b73572f9bcfe84951ff06614 (diff)
parent3d14bdad40315b54470cb7812293d14c8af2bf7d (diff)
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Merge branch 'linus' into core/iommu
Diffstat (limited to 'drivers/usb/class/usbtmc.c')
-rw-r--r--drivers/usb/class/usbtmc.c9
1 files changed, 3 insertions, 6 deletions
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,