From ff923479ee9b6ba9244398c7e97878fa37b5343c Mon Sep 17 00:00:00 2001
From: Tom St Denis <tom.stdenis@amd.com>
Date: Thu, 3 Mar 2016 09:45:29 -0500
Subject: drm/amd/amdgpu: make afmt_init cleanup if alloc fails (DCEv8)
If the allocation fails free memory and return error code.
Signed-off-by: Tom St Denis <tom.stdenis@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
---
drivers/gpu/drm/amd/amdgpu/dce_v8_0.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
(limited to 'drivers/gpu/drm/amd/amdgpu/dce_v8_0.c')
diff --git a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
index a7d871105b2a..35b4f7752ab5 100644
--- a/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/dce_v8_0.c
@@ -1913,7 +1913,7 @@ static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable)
enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
}
-static void dce_v8_0_afmt_init(struct amdgpu_device *adev)
+static int dce_v8_0_afmt_init(struct amdgpu_device *adev)
{
int i;
@@ -1926,8 +1926,16 @@ static void dce_v8_0_afmt_init(struct amdgpu_device *adev)
if (adev->mode_info.afmt[i]) {
adev->mode_info.afmt[i]->offset = dig_offsets[i];
adev->mode_info.afmt[i]->id = i;
+ } else {
+ int j;
+ for (j = 0; j < i; j++) {
+ kfree(adev->mode_info.afmt[j]);
+ adev->mode_info.afmt[j] = NULL;
+ }
+ return -ENOMEM;
}
}
+ return 0;
}
static void dce_v8_0_afmt_fini(struct amdgpu_device *adev)
@@ -2923,7 +2931,9 @@ static int dce_v8_0_sw_init(void *handle)
return -EINVAL;
/* setup afmt */
- dce_v8_0_afmt_init(adev);
+ r = dce_v8_0_afmt_init(adev);
+ if (r)
+ return r;
r = dce_v8_0_audio_init(adev);
if (r)
--
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