[PATCH v2 6/8] drm: atomic: use krealloc_array()

Bartosz Golaszewski
2020-11-02T15:21:32Z

Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
---
drivers/gpu/drm/drm_atomic.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index 58527f151984..09ad6a2ec17b 100644
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -960,7 +960,8 @@ drm_atomic_get_connector_state(struct drm_atomic_state *state,
struct __drm_connnectors_state *c;
int alloc = max(index + 1, config->num_connector);

- c = krealloc(state->connectors, alloc * sizeof(*state->connectors), GFP_KERNEL);
+ c = krealloc_array(state->connectors, alloc,
+ sizeof(*state->connectors), GFP_KERNEL);
if (!c)
return ERR_PTR(-ENOMEM);

--
2.29.1