drm/amd/display: Check dc_stream_state before it is used

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dc_state_get_stream_status dc_state_get_paired_subvp_stream and other
functions can return null, and therefore null must be checked before
status can be used.

This fixes 21 NULL_RETURNS issues reported by Coverity.

Reviewed-by: Harry Wentland <harry.wentland@amd.com>
Acked-by: Hamza Mahfooz <hamza.mahfooz@amd.com>
Signed-off-by: Alex Hung <alex.hung@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

...

This commit is contained in:

Alex Hung 2024-06-03 08:28:47 -06:00 • committed by Alex Deucher

parent c76f56f252

commit 470f3760cf

8 changed files with 74 additions and 24 deletions

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17

drivers/gpu/drm/amd/display/dc/core/dc.c

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24

drivers/gpu/drm/amd/display/dc/core/dc_state.c

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20

drivers/gpu/drm/amd/display/dc/dc_dmub_srv.c

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8

drivers/gpu/drm/amd/display/dc/dml/dcn32/dcn32_fpu.c

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12

drivers/gpu/drm/amd/display/dc/dml2/dml21/dml21_utils.c

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6

drivers/gpu/drm/amd/display/dc/dml2/dml2_dc_resource_mgmt.c

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9

drivers/gpu/drm/amd/display/dc/hwss/dcn20/dcn20_hwseq.c

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2

drivers/gpu/drm/amd/display/dc/resource/dcn32/dcn32_resource.c

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