linux-kernel - [PATCH 02/35] media: stb0899: Remove unreacheable code

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Message-Id: <20240415-fix-cocci-v1-2-477afb23728b@chromium.org>
Date: Mon, 15 Apr 2024 19:34:19 +0000
From: Ricardo Ribalda <ribalda@...omium.org>
To: Martin Tuma <martin.tuma@...iteqautomotive.com>, 
 Mauro Carvalho Chehab <mchehab@...nel.org>, 
 Laurent Pinchart <laurent.pinchart@...asonboard.com>, 
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 Sylvain Petinot <sylvain.petinot@...s.st.com>, 
 Jacopo Mondi <jacopo+renesas@...ndi.org>, 
 Kieran Bingham <kieran.bingham+renesas@...asonboard.com>, 
 Laurent Pinchart <laurent.pinchart+renesas@...asonboard.com>, 
 Niklas Söderlund <niklas.soderlund+renesas@...natech.se>, 
 Pavel Machek <pavel@....cz>
Cc: linux-media@...r.kernel.org, linux-kernel@...r.kernel.org, 
 linux-stm32@...md-mailman.stormreply.com, 
 linux-arm-kernel@...ts.infradead.org, linux-staging@...ts.linux.dev, 
 linux-sunxi@...ts.linux.dev, linux-tegra@...r.kernel.org, 
 linux-mediatek@...ts.infradead.org, linux-arm-msm@...r.kernel.org, 
 Ricardo Ribalda <ribalda@...omium.org>
Subject: [PATCH 02/35] media: stb0899: Remove unreacheable code

chip_id is an unsigned number, it can never be < 0

Fixes cocci check:
drivers/media/dvb-frontends/stb0899_drv.c:1280:8-15: WARNING: Unsigned expression compared with zero: chip_id > 0

Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
---
 drivers/media/dvb-frontends/stb0899_drv.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/drivers/media/dvb-frontends/stb0899_drv.c b/drivers/media/dvb-frontends/stb0899_drv.c
index 2f4d8fb400cd..222b5476ebfd 100644
--- a/drivers/media/dvb-frontends/stb0899_drv.c
+++ b/drivers/media/dvb-frontends/stb0899_drv.c
@@ -1277,11 +1277,6 @@ static int stb0899_get_dev_id(struct stb0899_state *state)
 	dprintk(state->verbose, FE_ERROR, 1, "Demodulator Core ID=[%s], Version=[%d]", (char *) &demod_str, demod_ver);
 	CONVERT32(STB0899_READ_S2REG(STB0899_S2FEC, FEC_CORE_ID_REG), (char *)&fec_str);
 	fec_ver = STB0899_READ_S2REG(STB0899_S2FEC, FEC_VER_ID_REG);
-	if (! (chip_id > 0)) {
-		dprintk(state->verbose, FE_ERROR, 1, "couldn't find a STB 0899");
-
-		return -ENODEV;
-	}
 	dprintk(state->verbose, FE_ERROR, 1, "FEC Core ID=[%s], Version=[%d]", (char*) &fec_str, fec_ver);
 
 	return 0;

-- 
2.44.0.683.g7961c838ac-goog