From: Christophe JAILLET <christophe.jail...@wanadoo.fr> Date: Sat, 20 Aug 2016 10:42:54 +0200
> Le 20/08/2016 à 10:25, SF Markus Elfring a écrit : >> @@ -875,16 +875,10 @@ static ssize_t cosa_write(struct file *file, >> if (count > COSA_MTU) >> count = COSA_MTU; >> >> - /* Allocate the buffer */ >> - kbuf = kmalloc(count, GFP_KERNEL|GFP_DMA); > In this case, 'memdup_user()' has a different meaning, as GFP_DMA will > no more be used for this memory allocation. Agreed, this transformation is not equivalent. Markus, please do not make these changes so blindly.