From f6bb93d256b1636aea22f1a026cab9d834c512b7 Mon Sep 17 00:00:00 2001
From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 6 Aug 2021 18:05:18 +0300
Subject: drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()
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Git-commit: 420c81c84b596984e0afb6e8b884dc67ddfa13f6
Patch-mainline: v5.15-rc1
References: jsc#PED-1166 jsc#PED-1168 jsc#PED-1170 jsc#PED-1218 jsc#PED-1220 jsc#PED-1222 jsc#PED-1223 jsc#PED-1225
Check whether the kcalloc() fails and return -ENOMEM if it does.
Fixes: 84ec374bd58036 ("drm/amdgpu: create amdgpu_vkms (v4)")
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Acked-by: Patrik Jakobsson <pjakobsson@suse.de>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c | 2 ++
1 file changed, 2 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
index 50bdc39733aa..ce982afeff91 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
@@ -482,6 +482,8 @@ static int amdgpu_vkms_sw_init(void *handle)
return r;
adev->amdgpu_vkms_output = kcalloc(adev->mode_info.num_crtc, sizeof(struct amdgpu_vkms_output), GFP_KERNEL);
+ if (!adev->amdgpu_vkms_output)
+ return -ENOMEM;
/* allocate crtcs, encoders, connectors */
for (i = 0; i < adev->mode_info.num_crtc; i++) {
--
2.38.1