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drm: rcar-du: Fix memory leak in rcar_du_vsps_init()

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[ Upstream commit 91e3bf09a90bb4340c0c3c51396e7531555efda4 ]

The rcar_du_vsps_init() doesn't free the np allocated by
of_parse_phandle_with_fixed_args() for the non-error case.

Fix memory leak for the non-error case.

While at it, replace the label 'error'->'done' as it applies to non-error
case as well and update the error check condition for rcar_du_vsp_init()
to avoid breakage in future, if it returns positive value.

Fixes: 3e81374e20 ("drm: rcar-du: Support multiple sources from the same VSP")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Link: https://lore.kernel.org/r/20231116122424.80136-1-biju.das.jz@bp.renesas.com
Signed-off-by: Tomi Valkeinen <tomi.valkeinen+renesas@ideasonboard.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Biju Das 2023-11-16 12:24:24 +00:00 • committed by Greg Kroah-Hartman
commit e443e547a5
1 changed files with 4 additions and 6 deletions
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10
drivers/gpu/drm/rcar-du/rcar_du_kms.c
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@ -567,7 +567,7 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu)
ret = of_parse_phandle_with_fixed_args(np, "vsps", cells, i,
&args);
if (ret < 0)
goto error;
goto done;
/*
* Add the VSP to the list or update the corresponding existing
@ -601,13 +601,11 @@ static int rcar_du_vsps_init(struct rcar_du_device *rcdu)
vsp->dev = rcdu;
ret = rcar_du_vsp_init(vsp, vsps[i].np, vsps[i].crtcs_mask);
if (ret < 0)
goto error;
if (ret)
goto done;
}
return 0;
error:
done:
for (i = 0; i < ARRAY_SIZE(vsps); ++i)
of_node_put(vsps[i].np);