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authorBenoit Taine <benoit.taine@lip6.fr>2014-05-26 17:21:20 +0200
committerFelipe Balbi <balbi@ti.com>2014-06-30 12:27:09 -0500
commit58b949e0842a4751eec77edd60bd6178cef5b8de (patch)
tree009a5f34d67216a11f306e13b6d7ab8abdd3063f
parenteac44dc4e769a0f1db244dea13e10923c2877887 (diff)
usb: gadget: Use kmemdup instead of kmalloc + memcpy
This issue was reported by coccicheck using the semantic patch at scripts/coccinelle/api/memdup.cocci Signed-off-by: Benoit Taine <benoit.taine@lip6.fr> Signed-off-by: Felipe Balbi <balbi@ti.com>
-rw-r--r--drivers/usb/gadget/configfs.c4
-rw-r--r--drivers/usb/gadget/lpc32xx_udc.c3
2 files changed, 2 insertions, 5 deletions
diff --git a/drivers/usb/gadget/configfs.c b/drivers/usb/gadget/configfs.c
index 2ddcd635ca2a..bcc2a6248187 100644
--- a/drivers/usb/gadget/configfs.c
+++ b/drivers/usb/gadget/configfs.c
@@ -1021,12 +1021,10 @@ static ssize_t ext_prop_data_store(struct usb_os_desc_ext_prop *ext_prop,
if (page[len - 1] == '\n' || page[len - 1] == '\0')
--len;
- new_data = kzalloc(len, GFP_KERNEL);
+ new_data = kmemdup(page, len, GFP_KERNEL);
if (!new_data)
return -ENOMEM;
- memcpy(new_data, page, len);
-
if (desc->opts_mutex)
mutex_lock(desc->opts_mutex);
kfree(ext_prop->data);
diff --git a/drivers/usb/gadget/lpc32xx_udc.c b/drivers/usb/gadget/lpc32xx_udc.c
index c77c6872b3ef..a93f64b9e632 100644
--- a/drivers/usb/gadget/lpc32xx_udc.c
+++ b/drivers/usb/gadget/lpc32xx_udc.c
@@ -3045,11 +3045,10 @@ static int __init lpc32xx_udc_probe(struct platform_device *pdev)
dma_addr_t dma_handle;
struct device_node *isp1301_node;
- udc = kzalloc(sizeof(*udc), GFP_KERNEL);
+ udc = kmemdup(&controller_template, sizeof(*udc), GFP_KERNEL);
if (!udc)
return -ENOMEM;
- memcpy(udc, &controller_template, sizeof(*udc));
for (i = 0; i <= 15; i++)
udc->ep[i].udc = udc;
udc->gadget.ep0 = &udc->ep[0].ep;