[PATCH 1/1] drm/amd/display: Fix memory leak reported by coverity

[Xiaohui Zhang]

Free memory allocated if any of the previous allocations failed.

Signed-off-by: Xiaohui Zhang <xiaohuizh...@ruc.edu.cn>
---
 sys/dev/pci/drm/amd/display/dc/dcn302/dcn302_resource.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/sys/dev/pci/drm/amd/display/dc/dcn302/dcn302_resource.c 
b/sys/dev/pci/drm/amd/display/dc/dcn302/dcn302_resource.c
index 2292bb820..7f04042d2 100644
--- a/sys/dev/pci/drm/amd/display/dc/dcn302/dcn302_resource.c
+++ b/sys/dev/pci/drm/amd/display/dc/dcn302/dcn302_resource.c
@@ -542,8 +542,12 @@ static struct stream_encoder 
*dcn302_stream_encoder_create(enum engine_id eng_id
        vpg = dcn302_vpg_create(ctx, vpg_inst);
        afmt = dcn302_afmt_create(ctx, afmt_inst);
 
-       if (!enc1 || !vpg || !afmt)
+       if (!enc1 || !vpg || !afmt) {
+               kfree(enc1);
+               kfree(vpg);
+               kfree(afmt);
                return NULL;
+       }
 
        dcn30_dio_stream_encoder_construct(enc1, ctx, ctx->dc_bios, eng_id, 
vpg, afmt, &stream_enc_regs[eng_id],
                        &se_shift, &se_mask);
-- 
2.17.1