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authorIngo Molnar <mingo@elte.hu>2009-01-11 15:34:05 +0100
committerIngo Molnar <mingo@elte.hu>2009-01-11 15:34:05 +0100
commitd19b85db9d5c44a4c21dcb10d6fbadaa4425ab2a (patch)
tree250be7a5a29069f7d1f4524fa45ab0e988833025 /drivers/usb/class/usbtmc.c
parent490dea45d00f01847ebebd007685d564aaf2cd98 (diff)
parentc59765042f53a79a7a65585042ff463b69cb248c (diff)
Merge commit 'v2.6.29-rc1' into timers/urgent
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,