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authorJulia Lawall <Julia.Lawall@lip6.fr>2014-11-30 20:03:49 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-03 03:15:02 +0300
commiteb94ec7a6516cd1dc52c0f63d7c3a274e6337416 (patch)
treedea11e9e5f49de50fbb38e982b3fad742b90d7d4 /drivers/irqchip
parentb19e5f04cd628c012c26a025cf93da5233df134d (diff)
downloadlinux-eb94ec7a6516cd1dc52c0f63d7c3a274e6337416.tar.xz
wusb: replace memset by memzero_explicit
Memset on a local variable may be removed when it is called just before the variable goes out of scope. Using memzero_explicit defeats this optimization. A simplified version of the semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ identifier x; type T; @@ { ... when any T x[...]; ... when any when exists - memset + memzero_explicit (x, -0, ...) ... when != x when strict } // </smpl> This change was suggested by Daniel Borkmann <dborkman@redhat.com> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/irqchip')
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