drm/pl111: Fix error handling in pl111_amba_probe

Jump to the existing dev_put label when devm_request_irq() fails
so drm_dev_put() and of_reserved_mem_device_release() run
instead of returning early and leaking resources.

Found via static analysis and code review.

Fixes: bed4100 ("drm/pl111: Initial drm/kms driver for pl111")
Cc: [email protected]
Signed-off-by: Miaoqian Lin <[email protected]>
Reviewed-by: Javier Martinez Canillas <[email protected]>
Signed-off-by: Linus Walleij <[email protected]>
Link: https://patch.msgid.link/[email protected]

Author: Yuuoniy

drivers/gpu/drm/pl111/pl111_drv.c

@@ -295,7 +295,7 @@ static int pl111_amba_probe(struct amba_device *amba_dev,
 			       variant->name, priv);
 	if (ret != 0) {
 		dev_err(dev, "%s failed irq %d\n", __func__, ret);
-		return ret;
+		goto dev_put;
 	}
 
 	ret = pl111_modeset_init(drm);