The irq_of_parse_and_map() function returns 0 on failure, and does not
return an negative value.
Signed-off-by: Zhen Ni <nizhen@xxxxxxxxxxxxx>
---
drivers/gpu/drm/msm/dsi/dsi_host.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/msm/dsi/dsi_host.c b/drivers/gpu/drm/msm/dsi/dsi_host.c
index 89aadd3b3202..3891d9d4a602 100644
--- a/drivers/gpu/drm/msm/dsi/dsi_host.c
+++ b/drivers/gpu/drm/msm/dsi/dsi_host.c
@@ -1953,9 +1953,9 @@ int msm_dsi_host_init(struct msm_dsi *msm_dsi)
}
msm_host->irq = irq_of_parse_and_map(pdev->dev.of_node, 0);
- if (msm_host->irq < 0) {
- ret = msm_host->irq;
- dev_err(&pdev->dev, "failed to get irq: %d\n", ret);
+ if (!msm_host->irq) {
+ ret = -EINVAL;
+ dev_err(&pdev->dev, "failed to get irq\n");
return ret;
}
--
2.20.1
