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 <gustavo...@kernel.org>
---
include/linux/fb.h | 5 +++--
1 file 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;
--
2.27.0
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