From: Mariusz Kozlowski Date: Fri, 10 Aug 2007 22:25:40 +0000 (-0700) Subject: [IRDA] irda-usb.c: mostly kmalloc + memset conversion to k[cz]alloc X-Git-Tag: v2.6.23-rc4~137^2~3 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=48e3eeb1a1a89a3ea256cf6d3c898e753787cfaa;p=linux-2.6 [IRDA] irda-usb.c: mostly kmalloc + memset conversion to k[cz]alloc drivers/net/irda/irda-usb.c | 59694 -> 59541 (-153 bytes) drivers/net/irda/irda-usb.o | 170588 -> 169256 (-1332 bytes) Signed-off-by: Mariusz Kozlowski Signed-off-by: Andrew Morton Signed-off-by: David S. Miller --- diff --git a/drivers/net/irda/irda-usb.c b/drivers/net/irda/irda-usb.c index 0ac240ca90..3b0fd83fa2 100644 --- a/drivers/net/irda/irda-usb.c +++ b/drivers/net/irda/irda-usb.c @@ -1561,10 +1561,9 @@ static inline struct irda_class_desc *irda_usb_find_class_desc(struct usb_interf struct irda_class_desc *desc; int ret; - desc = kmalloc(sizeof (*desc), GFP_KERNEL); - if (desc == NULL) + desc = kzalloc(sizeof(*desc), GFP_KERNEL); + if (!desc) return NULL; - memset(desc, 0, sizeof(*desc)); /* USB-IrDA class spec 1.0: * 6.1.3: Standard "Get Descriptor" Device Request is not @@ -1617,7 +1616,7 @@ static int irda_usb_probe(struct usb_interface *intf, { struct net_device *net; struct usb_device *dev = interface_to_usbdev(intf); - struct irda_usb_cb *self = NULL; + struct irda_usb_cb *self; struct usb_host_interface *interface; struct irda_class_desc *irda_desc; int ret = -ENOMEM; @@ -1655,7 +1654,7 @@ static int irda_usb_probe(struct usb_interface *intf, self->header_length = USB_IRDA_HEADER; } - self->rx_urb = kzalloc(self->max_rx_urb * sizeof(struct urb *), + self->rx_urb = kcalloc(self->max_rx_urb, sizeof(struct urb *), GFP_KERNEL); for (i = 0; i < self->max_rx_urb; i++) { @@ -1715,7 +1714,7 @@ static int irda_usb_probe(struct usb_interface *intf, /* Find IrDA class descriptor */ irda_desc = irda_usb_find_class_desc(intf); ret = -ENODEV; - if (irda_desc == NULL) + if (!irda_desc) goto err_out_3; if (self->needspatch) { @@ -1738,15 +1737,13 @@ static int irda_usb_probe(struct usb_interface *intf, /* Don't change this buffer size and allocation without doing * some heavy and complete testing. Don't ask why :-( * Jean II */ - self->speed_buff = kmalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL); - if (self->speed_buff == NULL) + self->speed_buff = kzalloc(IRDA_USB_SPEED_MTU, GFP_KERNEL); + if (!self->speed_buff) goto err_out_3; - memset(self->speed_buff, 0, IRDA_USB_SPEED_MTU); - self->tx_buff = kzalloc(IRDA_SKB_MAX_MTU + self->header_length, GFP_KERNEL); - if (self->tx_buff == NULL) + if (!self->tx_buff) goto err_out_4; ret = irda_usb_open(self); @@ -1767,12 +1764,11 @@ static int irda_usb_probe(struct usb_interface *intf, /* replace IrDA class descriptor with what patched device is now reporting */ irda_desc = irda_usb_find_class_desc (self->usbintf); - if (irda_desc == NULL) { + if (!irda_desc) { ret = -ENODEV; goto err_out_6; } - if (self->irda_desc) - kfree (self->irda_desc); + kfree(self->irda_desc); self->irda_desc = irda_desc; irda_usb_init_qos(self); }