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Message-Id: <20201109110654.12547-8-brgl@bgdev.pl>
Date: Mon, 9 Nov 2020 12:06:52 +0100
From: Bartosz Golaszewski <brgl@...ev.pl>
To: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>,
Sumit Semwal <sumit.semwal@...aro.org>,
Gustavo Padovan <gustavo@...ovan.org>,
Christian König <christian.koenig@....com>,
Mauro Carvalho Chehab <mchehab@...nel.org>,
Borislav Petkov <bp@...en8.de>,
Tony Luck <tony.luck@...el.com>,
James Morse <james.morse@....com>,
Robert Richter <rric@...nel.org>,
Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
Maxime Ripard <mripard@...nel.org>,
Thomas Zimmermann <tzimmermann@...e.de>,
David Airlie <airlied@...ux.ie>,
Daniel Vetter <daniel@...ll.ch>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
Linus Walleij <linus.walleij@...aro.org>,
"Michael S . Tsirkin" <mst@...hat.com>,
Jason Wang <jasowang@...hat.com>,
Christoph Lameter <cl@...ux.com>,
Pekka Enberg <penberg@...nel.org>,
David Rientjes <rientjes@...gle.com>,
Joonsoo Kim <iamjoonsoo.kim@....com>,
Andrew Morton <akpm@...ux-foundation.org>,
Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>
Cc: linux-media@...r.kernel.org, dri-devel@...ts.freedesktop.org,
linaro-mm-sig@...ts.linaro.org, linux-kernel@...r.kernel.org,
linux-edac@...r.kernel.org, linux-gpio@...r.kernel.org,
kvm@...r.kernel.org, virtualization@...ts.linux-foundation.org,
netdev@...r.kernel.org, linux-mm@...ck.org,
alsa-devel@...a-project.org,
Bartosz Golaszewski <bgolaszewski@...libre.com>,
Daniel Vetter <daniel.vetter@...ll.ch>
Subject: [PATCH v3 7/9] drm: atomic: use krealloc_array()
From: Bartosz Golaszewski <bgolaszewski@...libre.com>
Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@...libre.com>
Acked-by: Daniel Vetter <daniel.vetter@...ll.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
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