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USB: gadget: Use kmemdup
Use kmemdup when some other buffer is immediately copied into the allocated region. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; statement S; @@ - to = \(kmalloc\|kzalloc\)(size,flag); + to = kmemdup(from,size,flag); if (to==NULL || ...) S - memcpy(to, from, size); // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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1 changed files with 1 additions and 2 deletions
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@ -48,10 +48,9 @@ static int queue_dbg_open(struct inode *inode, struct file *file)
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spin_lock_irq(&ep->udc->lock);
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list_for_each_entry(req, &ep->queue, queue) {
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req_copy = kmalloc(sizeof(*req_copy), GFP_ATOMIC);
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req_copy = kmemdup(req, sizeof(*req_copy), GFP_ATOMIC);
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if (!req_copy)
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goto fail;
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memcpy(req_copy, req, sizeof(*req_copy));
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list_add_tail(&req_copy->queue, queue_data);
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}
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spin_unlock_irq(&ep->udc->lock);
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