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authorJulia Lawall <julia@diku.dk>2010-05-21 22:26:42 +0000
committerDavid S. Miller <davem@davemloft.net>2010-05-31 00:24:15 -0700
commit024cb8a67f3d3438322fac9d6f7b1cc578eca71c (patch)
tree23ba9dc417ae6a62aa3c9bbc2b07b0571ef28b6f /net/caif
parent7d88950426da812a6ab93ee1bba821f7f0ec1766 (diff)
downloadlinux-024cb8a67f3d3438322fac9d6f7b1cc578eca71c.tar.bz2
drivers/isdn: 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 'net/caif')
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