usb: gadget: s3c-hsudc: Replace 0 with NULL for pointers
Silences the following type of sparse warnings:
warning: Using plain integer as NULL pointer
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>
diff --git a/drivers/usb/gadget/s3c-hsudc.c b/drivers/usb/gadget/s3c-hsudc.c
index 35cdc6a..d8e785d 100644
--- a/drivers/usb/gadget/s3c-hsudc.c
+++ b/drivers/usb/gadget/s3c-hsudc.c
@@ -835,7 +835,7 @@
hsreq = kzalloc(sizeof(*hsreq), gfp_flags);
if (!hsreq)
- return 0;
+ return NULL;
INIT_LIST_HEAD(&hsreq->queue);
return &hsreq->req;
@@ -904,16 +904,16 @@
csr = readl((u32)hsudc->regs + offset);
if (!(csr & S3C_ESR_TX_SUCCESS) &&
(s3c_hsudc_write_fifo(hsep, hsreq) == 1))
- hsreq = 0;
+ hsreq = NULL;
} else {
csr = readl((u32)hsudc->regs + offset);
if ((csr & S3C_ESR_RX_SUCCESS)
&& (s3c_hsudc_read_fifo(hsep, hsreq) == 1))
- hsreq = 0;
+ hsreq = NULL;
}
}
- if (hsreq != 0)
+ if (hsreq)
list_add_tail(&hsreq->queue, &hsep->queue);
spin_unlock_irqrestore(&hsudc->lock, flags);