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GEM: allocated buffer size must be PAGE_SIZE alignment

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PD#158474: do PAGE_SIZE alignment before initializing gem object

Change-Id: I98723ed2a22cfdc279253e06725482a656535184
Signed-off-by: binqi.zhang <binqi.zhang@amlogic.com>
This commit is contained in:
binqi.zhang
2018-05-17 18:54:44 +08:00
committed by Yixun Lan
parent b208d6cc7f
commit 4b623299e4
1 changed files with 3 additions and 0 deletions
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3
drivers/amlogic/drm/am_meson_gem.c
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@@ -99,6 +99,9 @@ struct am_meson_gem_object *am_meson_gem_object_create(
return ERR_PTR(-EINVAL);
}
size = roundup(size, PAGE_SIZE);
if (size == 0)
return ERR_PTR(-EINVAL);
meson_gem_obj = kzalloc(sizeof(*meson_gem_obj), GFP_KERNEL);
if (!meson_gem_obj)
return ERR_PTR(-ENOMEM);