linux-kernel - [PATCH] fpga: fpga-bridge: remove unnecessary null check in of_fpga_bridge

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Message-ID: <20171027201951.GA27077@embeddedor.com>
Date:   Fri, 27 Oct 2017 15:19:51 -0500
From:   "Gustavo A. R. Silva" <garsilva@...eddedor.com>
To:     Alan Tull <atull@...nel.org>, Moritz Fischer <mdf@...nel.org>
Cc:     linux-fpga@...r.kernel.org, linux-kernel@...r.kernel.org,
        "Gustavo A. R. Silva" <garsilva@...eddedor.com>
Subject: [PATCH] fpga: fpga-bridge: remove unnecessary null check in
 of_fpga_bridge_get

Notice that bridge = to_fpga_bridge(dev); expands to:

bridge = container_of(dev, struct fpga_bridge, dev);

and container_of is never null, so this null check is
unnecessary.

Addresses-Coverity-ID: 1397912
Reported-by: Alan Tull <atull@...nel.org>
Signed-off-by: Gustavo A. R. Silva <garsilva@...eddedor.com>
---
 drivers/fpga/fpga-bridge.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/fpga/fpga-bridge.c b/drivers/fpga/fpga-bridge.c
index 9651aa5..409d1ac 100644
--- a/drivers/fpga/fpga-bridge.c
+++ b/drivers/fpga/fpga-bridge.c
@@ -94,8 +94,6 @@ struct fpga_bridge *of_fpga_bridge_get(struct device_node *np,
 		goto err_dev;
 
 	bridge = to_fpga_bridge(dev);
-	if (!bridge)
-		goto err_dev;
 
 	bridge->info = info;
 
-- 
2.7.4