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authorJulia Lawall <julia@diku.dk>2010-05-22 00:20:26 +0200
committerDavid S. Miller <davem@davemloft.net>2010-05-31 09:24:13 +0200
commitc146fc9fc9bc1dc0f629fe83d49f32ab0f11bfdc (patch)
treec7cb7c247161c9409a7f65678aa18a4543de4c7c /sound/oss/msnd.h
parentdrivers/net/cxgb3: Use memdup_user (diff)
downloadlinux-c146fc9fc9bc1dc0f629fe83d49f32ab0f11bfdc.tar.xz
linux-c146fc9fc9bc1dc0f629fe83d49f32ab0f11bfdc.zip
drivers/net/wan: Use memdup_user
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>
Diffstat (limited to 'sound/oss/msnd.h')
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