linux-kernel - [PATCH] media: i2c: vgxy61: Fix an error handling path in vgxy61

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Message-ID: <666ac169157f0af1c2e1d47926b68870cb39d587.1727977974.git.christophe.jaillet@wanadoo.fr>
Date: Thu,  3 Oct 2024 19:53:15 +0200
From: Christophe JAILLET <christophe.jaillet@...adoo.fr>
To: Benjamin Mugnier <benjamin.mugnier@...s.st.com>,
	Sylvain Petinot <sylvain.petinot@...s.st.com>,
	Sakari Ailus <sakari.ailus@...ux.intel.com>,
	Mauro Carvalho Chehab <mchehab@...nel.org>,
	Julien Massot <julien.massot@...labora.com>
Cc: linux-kernel@...r.kernel.org,
	kernel-janitors@...r.kernel.org,
	Christophe JAILLET <christophe.jaillet@...adoo.fr>,
	linux-media@...r.kernel.org
Subject: [PATCH] media: i2c: vgxy61: Fix an error handling path in vgxy61_detect()

If cci_read() fails, 'st' is set to 0 in cci_read(), so we return success,
instead of the expected error code.

Fix it and return the expected error.

Fixes: 9a6d7f2ba2b9 ("media: i2c: st-vgxy61: Convert to CCI register access helpers")
Signed-off-by: Christophe JAILLET <christophe.jaillet@...adoo.fr>
---
 drivers/media/i2c/vgxy61.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/i2c/vgxy61.c b/drivers/media/i2c/vgxy61.c
index 30378e962016..8034e21051be 100644
--- a/drivers/media/i2c/vgxy61.c
+++ b/drivers/media/i2c/vgxy61.c
@@ -1617,7 +1617,7 @@ static int vgxy61_detect(struct vgxy61_dev *sensor)
 
 	ret = cci_read(sensor->regmap, VGXY61_REG_NVM, &st, NULL);
 	if (ret < 0)
-		return st;
+		return ret;
 	if (st != VGXY61_NVM_OK)
 		dev_warn(&client->dev, "Bad nvm state got %u\n", (u8)st);
 
-- 
2.46.2