![]() 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> |
||
---|---|---|
.. | ||
callbacks.c | ||
callbacks.h | ||
capi.c | ||
capi.h | ||
drv.c | ||
edss1.c | ||
edss1.h | ||
Kconfig | ||
layer2.c | ||
layer2.h | ||
Makefile | ||
module.c | ||
pcbit.h |