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authorGustavo A. R. Silva <gustavoars@kernel.org>2020-06-17 20:56:47 +0300
committerBartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com>2020-07-10 17:17:22 +0300
commit17d8dcf5330a97f6e5ae01d336eb1641782043f9 (patch)
tree65dea2bf3a21e6dc809cd8cc0f654b940919e811 /include/linux/fb.h
parentfcf918b966622c276749503ef9872419265af6a4 (diff)
downloadlinux-17d8dcf5330a97f6e5ae01d336eb1641782043f9.tar.xz
fbdev/fb.h: Use struct_size() helper in kzalloc()
Make use of the struct_size() helper instead of an open-coded version in order to avoid any potential type mistakes. This code was detected with the help of Coccinelle and, audited and fixed manually. Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by: Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Link: https://patchwork.freedesktop.org/patch/msgid/20200617175647.GA26370@embeddedor
Diffstat (limited to 'include/linux/fb.h')
-rw-r--r--include/linux/fb.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 3b4b2f0c6994..2b530e6d86e4 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -506,8 +506,9 @@ struct fb_info {
};
static inline struct apertures_struct *alloc_apertures(unsigned int max_num) {
- struct apertures_struct *a = kzalloc(sizeof(struct apertures_struct)
- + max_num * sizeof(struct aperture), GFP_KERNEL);
+ struct apertures_struct *a;
+
+ a = kzalloc(struct_size(a, ranges, max_num), GFP_KERNEL);
if (!a)
return NULL;
a->count = max_num;