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Code Issues Releases Wiki Activity

staging: vt6656: replace explicit NULL comparison with ! operator

Browse source 
Replace explicit NULL comparison with ! operator to simplify code.

Found with Coccinelle:
@@
expression e;
statement s0, s1;
@@

if (
(
+ !
e
- == NULL
 || ...
)
 ) s0 else s1

Signed-off-by: Alison Schofield <amsfield22@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alison Schofield 2016-02-10 23:06:45 -08:00 committed by Greg Kroah-Hartman
parent e3b07865f5
commit 27f31cf9f7
2 changed files with 6 additions and 6 deletions
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10
drivers/staging/vt6656/main_usb.c
View file

@ -431,7 +431,7 @@ static bool vnt_alloc_bufs(struct vnt_private *priv)
for (ii = 0; ii < priv->num_tx_context; ii++) {
tx_context = kmalloc(sizeof(struct vnt_usb_send_context),
GFP_KERNEL);
if (tx_context == NULL)
if (!tx_context)
goto free_tx;
priv->tx_context[ii] = tx_context;
@ -462,13 +462,13 @@ static bool vnt_alloc_bufs(struct vnt_private *priv)
/* allocate URBs */
rcb->urb = usb_alloc_urb(0, GFP_ATOMIC);
if (rcb->urb == NULL) {
if (!rcb->urb) {
dev_err(&priv->usb->dev, "Failed to alloc rx urb\n");
goto free_rx_tx;
}
rcb->skb = dev_alloc_skb(priv->rx_buf_sz);
if (rcb->skb == NULL)
if (!rcb->skb)
goto free_rx_tx;
rcb->in_use = false;
@ -479,13 +479,13 @@ static bool vnt_alloc_bufs(struct vnt_private *priv)
}
priv->interrupt_urb = usb_alloc_urb(0, GFP_ATOMIC);
if (priv->interrupt_urb == NULL) {
if (!priv->interrupt_urb) {
dev_err(&priv->usb->dev, "Failed to alloc int urb\n");
goto free_rx_tx;
}
priv->int_buf.data_buf = kmalloc(MAX_INTERRUPT_SIZE, GFP_KERNEL);
if (priv->int_buf.data_buf == NULL) {
if (!priv->int_buf.data_buf) {
usb_free_urb(priv->interrupt_urb);
goto free_rx_tx;
}

2
drivers/staging/vt6656/usbpipe.c
View file

@ -210,7 +210,7 @@ int vnt_submit_rx_urb(struct vnt_private *priv, struct vnt_rcb *rcb)
struct urb *urb;
urb = rcb->urb;
if (rcb->skb == NULL) {
if (!rcb->skb) {
dev_dbg(&priv->usb->dev, "rcb->skb is null\n");
return status;
}