[PATCH] USB: kzalloc in sisusbvga

this does two things:
- use kzalloc where appropriate
- correct error return codes in ioctl

Signed-off-by: Oliver Neukum <oliver@neukum.name>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

1 files changed, 2 insertions, 3 deletions

diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 3260d595441f..196c8794a73c 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3188,7 +3188,7 @@ sisusb_ioctl(struct inode *inode, struct file *file, unsigned int cmd,
                         break;
 
                 default:
-                        retval = -EINVAL;
+                        retval = -ENOTTY;
                         break;
         }
 
@@ -3251,12 +3251,11 @@ static int sisusb_probe(struct usb_interface *intf,
                 dev->devnum);
 
         /* Allocate memory for our private */
-        if (!(sisusb = kmalloc(sizeof(*sisusb), GFP_KERNEL))) {
+        if (!(sisusb = kzalloc(sizeof(*sisusb), GFP_KERNEL))) {
                 printk(KERN_ERR
                         "sisusb: Failed to allocate memory for private data\n");
                 return -ENOMEM;
         }
-        memset(sisusb, 0, sizeof(*sisusb));
         kref_init(&sisusb->kref);
 
         init_MUTEX(&(sisusb->lock));