mirror of https://gitee.com/openkylin/linux.git
024cb8a67f
Use memdup_user when user data is immediately copied into the allocated region. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression from,to,size,flag; position p; identifier l1,l2; @@ - to = \(kmalloc@p\|kzalloc@p\)(size,flag); + to = memdup_user(from,size); if ( - to==NULL + IS_ERR(to) || ...) { <+... when != goto l1; - -ENOMEM + PTR_ERR(to) ...+> } - if (copy_from_user(to, from, size) != 0) { - <+... when != goto l2; - -EFAULT - ...+> - } // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: David S. Miller <davem@davemloft.net> |
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| .. | ||
| Kconfig | ||
| Makefile | ||
| card.h | ||
| command.c | ||
| event.c | ||
| hardware.h | ||
| includes.h | ||
| init.c | ||
| interrupt.c | ||
| ioctl.c | ||
| message.c | ||
| message.h | ||
| packet.c | ||
| scioc.h | ||
| shmem.c | ||
| timer.c | ||