5.15-stable review patch. If anyone has any objections, please let me know.
------------------
From: Anson Jacob Anson.Jacob@amd.com
[ Upstream commit 7b89bf83181363a84f86da787159ddbbef505b8c ]
coccinelle patch used:
@@ expression enc1,vpg,afmt; @@ - if (!enc1 || !vpg || !afmt) + if (!enc1 || !vpg || !afmt) { + kfree(enc1); + kfree(vpg); + kfree(afmt); return NULL; + }
Addresses-Coverity-ID: 1466017: ("Resource leaks")
Reviewed-by: Aurabindo Jayamohanan Pillai Aurabindo.Pillai@amd.com Acked-by: Mikita Lipski mikita.lipski@amd.com Signed-off-by: Anson Jacob Anson.Jacob@amd.com Tested-by: Daniel Wheeler daniel.wheeler@amd.com Signed-off-by: Alex Deucher alexander.deucher@amd.com Stable-dep-of: 58fca355ad37 ("drm/amd/display: Implement bounds check for stream encoder creation in DCN301") Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c | 6 +++++- drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c | 6 +++++- drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c | 6 +++++- drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c | 6 +++++- 4 files changed, 20 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c index 735c92a5aa36..e8d4a8044d1f 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn30/dcn30_resource.c @@ -1164,8 +1164,12 @@ struct stream_encoder *dcn30_stream_encoder_create( vpg = dcn30_vpg_create(ctx, vpg_inst); afmt = dcn30_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, diff --git a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c index dea358b01791..b6c363b462a7 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn301/dcn301_resource.c @@ -1195,8 +1195,12 @@ struct stream_encoder *dcn301_stream_encoder_create( vpg = dcn301_vpg_create(ctx, vpg_inst); afmt = dcn301_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, diff --git a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c b/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c index 2292bb82026e..7f04042d2213 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn302/dcn302_resource.c +++ b/drivers/gpu/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); diff --git a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c index e224c5213258..4f7bc8829b20 100644 --- a/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c +++ b/drivers/gpu/drm/amd/display/dc/dcn31/dcn31_resource.c @@ -1291,8 +1291,12 @@ static struct stream_encoder *dcn31_stream_encoder_create( vpg = dcn31_vpg_create(ctx, vpg_inst); afmt = dcn31_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,