From: Bartosz Golaszewski <brgl@bgdev•pl>
To: "Andy Shevchenko" <andriy.shevchenko@linux•intel.com>,
"Sumit Semwal" <sumit.semwal@linaro•org>,
"Gustavo Padovan" <gustavo@padovan•org>,
"Christian König" <christian.koenig@amd•com>,
"Mauro Carvalho Chehab" <mchehab@kernel•org>,
"Borislav Petkov" <bp@alien8•de>,
"Tony Luck" <tony.luck@intel•com>,
"James Morse" <james.morse@arm•com>,
"Robert Richter" <rric@kernel•org>,
"Maarten Lankhorst" <maarten.lankhorst@linux•intel.com>,
"Maxime Ripard" <mripard@kernel•org>,
"Thomas Zimmermann" <tzimmermann@suse•de>,
"David Airlie" <airlied@linux•ie>,
"Daniel Vetter" <daniel@ffwll•ch>,
"Alexander Shishkin" <alexander.shishkin@linux•intel.com>,
"Linus Walleij" <linus.walleij@linaro•org>,
"Michael S . Tsirkin" <mst@redhat•com>,
"Jason Wang" <jasowang@redhat•com>,
"Christoph Lameter" <cl@linux•com>,
"Pekka Enberg" <penberg@kernel•org>,
"David Rientjes" <rientjes@google•com>,
"Joonsoo Kim" <iamjoonsoo.kim@lge•com>,
"Andrew Morton" <akpm@linux-foundation•org>,
"Jaroslav Kysela" <perex@perex•cz>,
"Takashi Iwai" <tiwai@suse•com>
Cc: linux-media@vger•kernel.org, dri-devel@lists•freedesktop.org,
linaro-mm-sig@lists•linaro.org, linux-kernel@vger•kernel.org,
linux-edac@vger•kernel.org, linux-gpio@vger•kernel.org,
kvm@vger•kernel.org, virtualization@lists•linux-foundation.org,
netdev@vger•kernel.org, linux-mm@kvack•org,
alsa-devel@alsa-project•org,
Bartosz Golaszewski <bgolaszewski@baylibre•com>
Subject: [PATCH 6/8] drm: atomic: use krealloc_array()
Date: Tue, 27 Oct 2020 13:17:23 +0100 [thread overview]
Message-ID: <20201027121725.24660-7-brgl@bgdev.pl> (raw)
In-Reply-To: <20201027121725.24660-1-brgl@bgdev.pl>
From: Bartosz Golaszewski <bgolaszewski@baylibre•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@baylibre•com>
---
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
next prev parent reply other threads:[~2020-10-27 12:18 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-27 12:17 [PATCH 0/8] slab: provide and use krealloc_array() Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 1/8] mm: slab: provide krealloc_array() Bartosz Golaszewski
2020-10-27 18:20 ` Vlastimil Babka
2020-10-28 8:47 ` Mike Rapoport
2020-10-27 12:17 ` [PATCH 2/8] ALSA: pcm: use krealloc_array() Bartosz Golaszewski
2020-10-27 12:39 ` Takashi Iwai
2020-10-27 12:17 ` [PATCH 3/8] vhost: vringh: " Bartosz Golaszewski
2020-10-27 15:28 ` Michael S. Tsirkin
2020-10-27 16:50 ` Joe Perches
2020-10-27 16:58 ` Bartosz Golaszewski
2020-10-27 17:08 ` Joe Perches
2020-10-27 18:00 ` Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 4/8] pinctrl: " Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 5/8] edac: ghes: " Bartosz Golaszewski
2020-10-27 18:25 ` Borislav Petkov
2020-10-27 12:17 ` Bartosz Golaszewski [this message]
2020-10-27 19:19 ` [PATCH 6/8] drm: atomic: " Daniel Vetter
2020-10-27 12:17 ` [PATCH 7/8] hwtracing: intel: " Bartosz Golaszewski
2020-10-27 12:17 ` [PATCH 8/8] dma-buf: " Bartosz Golaszewski
2020-10-27 12:21 ` Christian König
2020-11-05 10:52 ` [PATCH 0/8] slab: provide and " Linus Walleij
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