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drm/imx: Fix memory leak in imx_pd_connector_get_modes

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[ Upstream commit bce81feb03 ]

Avoid leaking the display mode variable if of_get_drm_display_mode
fails.

Fixes: 76ecd9c9fb ("drm/imx: parallel-display: check return code from of_get_drm_display_mode()")
Addresses-Coverity-ID: 1443943 ("Resource leak")
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Link: https://lore.kernel.org/r/20220108165230.44610-1-jose.exposito89@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
José Expósito
2022-01-08 17:52:30 +01:00
committed by Greg Kroah-Hartman
parent 25bc9fd4c8
commit f8b0ef0a58
1 changed files with 3 additions and 1 deletions
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4
drivers/gpu/drm/imx/parallel-display.c
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@@ -70,8 +70,10 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector)
ret = of_get_drm_display_mode(np, &imxpd->mode,
&imxpd->bus_flags,
OF_USE_NATIVE_MODE);
if (ret)
if (ret) {
drm_mode_destroy(connector->dev, mode);
return ret;
}
drm_mode_copy(mode, &imxpd->mode);
mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED,