[PATCH] drm/tiny: Use kmalloc_array() instead of kmalloc()

Mehdi Ben Hadj Khelifa
2025-10-19T14:13:02Z

Replace kmalloc() with kmalloc_array() to correctly
handle array allocations and benefit from built-in overflow checking[1].

[1]:https://docs.kernel.org/process/deprecated.html

Signed-off-by: Mehdi Ben Hadj Khelifa <mehdi.benhadjkhelifa@gmail.com>
---
drivers/gpu/drm/tiny/repaper.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/tiny/repaper.c b/drivers/gpu/drm/tiny/repaper.c
index 4824f863fdba..290132c24ff9 100644
--- a/drivers/gpu/drm/tiny/repaper.c
+++ b/drivers/gpu/drm/tiny/repaper.c
@@ -534,7 +534,7 @@ static int repaper_fb_dirty(struct drm_framebuffer *fb, const struct iosys_map *
DRM_DEBUG("Flushing [FB:%d] st=%ums\n", fb->base.id,
epd->factored_stage_time);

- buf = kmalloc(fb->width * fb->height / 8, GFP_KERNEL);
+ buf = kmalloc_array(fb->height / 8, fb->width, GFP_KERNEL);
if (!buf) {
ret = -ENOMEM;
goto out_exit;
--
2.51.1.dirty