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authorLv Ruyi <lv.ruyi@zte.com.cn>2022-04-24 03:19:59 +0000
committerDmitry Baryshkov <dmitry.baryshkov@linaro.org>2022-05-02 02:39:34 +0300
commitb9e4f1d2b505df8e2439b63e67afaa287c1c43e2 (patch)
treec0acd3340e5edf6760f52e7dfce771bcbd123ac3
parent14e7b0345902816fa4d2870e2386b5ad574fae75 (diff)
drm: msm: fix error check return value of irq_of_parse_and_map()
The irq_of_parse_and_map() function returns 0 on failure, and does not return an negative value. Reported-by: Zeal Robot <zealci@zte.com.cn> Signed-off-by: Lv Ruyi <lv.ruyi@zte.com.cn> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Patchwork: https://patchwork.freedesktop.org/patch/483175/ Link: https://lore.kernel.org/r/20220424031959.3172406-1-lv.ruyi@zte.com.cn Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
-rw-r--r--drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
index 72ec33b89730..9b7bbc3adb97 100644
--- a/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
+++ b/drivers/gpu/drm/msm/disp/mdp5/mdp5_kms.c
@@ -576,9 +576,9 @@ static int mdp5_kms_init(struct drm_device *dev)
}
irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
- if (irq < 0) {
- ret = irq;
- DRM_DEV_ERROR(&pdev->dev, "failed to get irq: %d\n", ret);
+ if (!irq) {
+ ret = -EINVAL;
+ DRM_DEV_ERROR(&pdev->dev, "failed to get irq\n");
goto fail;
}