From: Dan Carpenter <dan.carpenter@oracle.com>
Date: Fri, 6 Aug 2021 15:05:18 +0000 (+0300)
Subject: drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()
X-Git-Tag: baikal/aarch64/sdk6.1~5908^2~12^2~2
X-Git-Url: https://git.baikalelectronics.ru/?a=commitdiff_plain;h=97f973f89da25d90ae34eb90a93000233b81c66c;p=kernel.git

drm/amdgpu: check for allocation failure in amdgpu_vkms_sw_init()

Check whether the kcalloc() fails and return -ENOMEM if it does.

Fixes: 3a608c7873db34 ("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>
---

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vkms.c
index 50bdc39733aa1..ce982afeff913 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++) {