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| author | Lothar Waßmann <LW@KARO-electronics.de> | 2016-07-12 13:30:01 (GMT) |
|---|---|---|
| committer | Philipp Zabel <p.zabel@pengutronix.de> | 2016-07-12 16:26:06 (GMT) |
| commit | 76ecd9c9fb24b014a6f33fbb1287ede3be12158b (patch) | |
| tree | daa8f92a7ebaf951a6a0c1953bf21eb6a17b9342 | |
| parent | b575b31387f64f63019c88a0ddbf1e0cc0cd8cd9 (diff) | |
| download | linux-76ecd9c9fb24b014a6f33fbb1287ede3be12158b.tar.xz | |
drm/imx: parallel-display: check return code from of_get_drm_display_mode()
of_get_drm_display_mode() may fail. Check its return code and bail out
on error.
Signed-off-by: Lothar Waßmann <LW@KARO-electronics.de>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
| -rw-r--r-- | drivers/gpu/drm/imx/parallel-display.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/drivers/gpu/drm/imx/parallel-display.c b/drivers/gpu/drm/imx/parallel-display.c index 7b7bb31..4abac21 100644 --- a/drivers/gpu/drm/imx/parallel-display.c +++ b/drivers/gpu/drm/imx/parallel-display.c @@ -73,10 +73,16 @@ static int imx_pd_connector_get_modes(struct drm_connector *connector) if (np) { struct drm_display_mode *mode = drm_mode_create(connector->dev); + int ret; if (!mode) return -EINVAL; - of_get_drm_display_mode(np, &imxpd->mode, OF_USE_NATIVE_MODE); + + ret = of_get_drm_display_mode(np, &imxpd->mode, + OF_USE_NATIVE_MODE); + if (ret) + return ret; + drm_mode_copy(mode, &imxpd->mode); mode->type |= DRM_MODE_TYPE_DRIVER | DRM_MODE_TYPE_PREFERRED, drm_mode_probed_add(connector, mode); |