[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>
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 3260d59..196c879 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3188,7 +3188,7 @@
break;
default:
- retval = -EINVAL;
+ retval = -ENOTTY;
break;
}
@@ -3251,12 +3251,11 @@
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));