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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 15:37:24 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-07 15:37:24 -0800
commit7c7758f99d39d529a64d4f60d22129bbf2f16d74 (patch)
tree8847b5e56812fe4c4c812cfffc78e391a91f4ebe /drivers/usb/class/usbtmc.c
parent67acd8b4b7a3f1b183ae358e1dfdb8a80e170736 (diff)
parent8a70da82edc50aa7a4b54864babf2d72538ba1bb (diff)
downloadlwn-7c7758f99d39d529a64d4f60d22129bbf2f16d74.tar.gz
lwn-7c7758f99d39d529a64d4f60d22129bbf2f16d74.zip
Merge git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (123 commits) wimax/i2400m: add CREDITS and MAINTAINERS entries wimax: export linux/wimax.h and linux/wimax/i2400m.h with headers_install i2400m: Makefile and Kconfig i2400m/SDIO: TX and RX path backends i2400m/SDIO: firmware upload backend i2400m/SDIO: probe/disconnect, dev init/shutdown and reset backends i2400m/SDIO: header for the SDIO subdriver i2400m/USB: TX and RX path backends i2400m/USB: firmware upload backend i2400m/USB: probe/disconnect, dev init/shutdown and reset backends i2400m/USB: header for the USB bus driver i2400m: debugfs controls i2400m: various functions for device management i2400m: RX and TX data/control paths i2400m: firmware loading and bootrom initialization i2400m: linkage to the networking stack i2400m: Generic probe/disconnect, reset and message passing i2400m: host/device procotol and core driver definitions i2400m: documentation and instructions for usage wimax: Makefile, Kconfig and docbook linkage for the stack ...
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 43a863c5cc43..0f5c05f6f9df 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,