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authorGustavo A. R. Silva <gustavo@embeddedor.com>2018-08-24 04:05:21 +0300
committerMaxime Ripard <maxime.ripard@bootlin.com>2018-08-24 17:02:10 +0300
commit06e3c29716d9ba1eedfbd697afddbd7495491b26 (patch)
treee96808989a038e2cbb1b35b7b76b4bed96eabae2 /include/drm/drm_plane.h
parente296de926dfd39cf1ff9e5a41b56d4b3258a5a07 (diff)
downloadlinux-06e3c29716d9ba1eedfbd697afddbd7495491b26.tar.xz
drm/sun4i: tcon-top: Use struct_size() in devm_kzalloc()
One of the more common cases of allocation size calculations is finding the size of a structure that has a zero-sized array at the end, along with memory for some number of elements for that array. For example: struct foo { int stuff; void *entry[]; }; instance = devm_kzalloc(dev, sizeof(struct foo) + sizeof(void *) * count, GFP_KERNEL); Instead of leaving these open-coded and prone to type mistakes, we can now use the new struct_size() helper: instance = devm_kzalloc(dev, struct_size(instance, entry, count), GFP_KERNEL); This issue was detected with the help of Coccinelle. Reviewed-by: Kees Cook <keescook@chromium.org> Signed-off-by: Gustavo A. R. Silva <gustavo@embeddedor.com> Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> Link: https://patchwork.freedesktop.org/patch/msgid/20180824010521.GA25451@embeddedor.com
Diffstat (limited to 'include/drm/drm_plane.h')
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