diff mbox series

[v2,1/3] drm/panel: Fix IS_ERR() vs NULL check in nt35950_probe()

Message ID 20230713020556.1956639-2-cuigaosheng1@huawei.com (mailing list archive)
State Superseded
Headers show
Series Fix IS_ERR() vs NULL check for drm | expand

Commit Message

cuigaosheng July 13, 2023, 2:05 a.m. UTC 
The mipi_dsi_device_register_full() returns an ERR_PTR() on failure,
we should use IS_ERR() to check the return value.

Fixes: 623a3531e9cf ("drm/panel: Add driver for Novatek NT35950 DSI DriverIC panels")
Signed-off-by: Gaosheng Cui <cuigaosheng1@huawei.com>
---
 drivers/gpu/drm/panel/panel-novatek-nt35950.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/gpu/drm/panel/panel-novatek-nt35950.c b/drivers/gpu/drm/panel/panel-novatek-nt35950.c
index 8b108ac80b55..4903bbf1df55 100644
--- a/drivers/gpu/drm/panel/panel-novatek-nt35950.c
+++ b/drivers/gpu/drm/panel/panel-novatek-nt35950.c
@@ -571,7 +571,7 @@  static int nt35950_probe(struct mipi_dsi_device *dsi)
 		}
 
 		nt->dsi[1] = mipi_dsi_device_register_full(dsi_r_host, info);
-		if (!nt->dsi[1]) {
+		if (IS_ERR(nt->dsi[1])) {
 			dev_err(dev, "Cannot get secondary DSI node\n");
 			return -ENODEV;
 		}