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drm/amd/display: Fix memory leak reported by coverity 

Free memory allocated if any of the previous allocations failed.

>>>     CID 1487129:  Resource leaks  (RESOURCE_LEAK)
>>>     Variable "vpg" going out of scope leaks the storage it points to.

Addresses-Coverity-ID: 1487129: ("Resource leaks")

Reviewed-by: Aric Cyr <aric.cyr@amd.com>
Acked-by: Mikita Lipski <mikita.lipski@amd.com>
Signed-off-by: Anson Jacob <Anson.Jacob@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Anson Jacob 2021-08-13 17:11:51 -04:00 committed by Alex Deucher
parent f5d8e16488
commit 03388a347f
1 changed files with 5 additions and 1 deletions
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6
drivers/gpu/drm/amd/display/dc/dcn303/dcn303_resource.c
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@ -510,8 +510,12 @@ static struct stream_encoder *dcn303_stream_encoder_create(enum engine_id eng_id
vpg = dcn303_vpg_create(ctx, vpg_inst);
afmt = dcn303_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);