linux-kernel - [PATCH] media: stm32: dcmipp: correct error handling in dcmipp_create

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Message-ID: <20240624084123.3009122-1-alain.volmat@foss.st.com>
Date: Mon, 24 Jun 2024 10:41:22 +0200
From: Alain Volmat <alain.volmat@...s.st.com>
To: Hugues Fruchet <hugues.fruchet@...s.st.com>,
        Alain Volmat
	<alain.volmat@...s.st.com>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Maxime Coquelin <mcoquelin.stm32@...il.com>,
        Alexandre Torgue
	<alexandre.torgue@...s.st.com>,
        Hans Verkuil <hverkuil-cisco@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
CC: <stable@...r.kernel.org>, <linux-media@...r.kernel.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
Subject: [PATCH] media: stm32: dcmipp: correct error handling in dcmipp_create_subdevs

Correct error handling within the dcmipp_create_subdevs by properly
decrementing the i counter when releasing the subdeves.

Fixes: 28e0f3772296 ("media: stm32-dcmipp: STM32 DCMIPP camera interface driver")
Cc: stable@...r.kernel.org
Signed-off-by: Alain Volmat <alain.volmat@...s.st.com>
---
 drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c b/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
index 4acc3b90d03a..4924ee36cfda 100644
--- a/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
+++ b/drivers/media/platform/st/stm32/stm32-dcmipp/dcmipp-core.c
@@ -202,7 +202,7 @@ static int dcmipp_create_subdevs(struct dcmipp_device *dcmipp)
 	return 0;
 
 err_init_entity:
-	while (i > 0)
+	while (i-- > 0)
 		dcmipp->pipe_cfg->ents[i - 1].release(dcmipp->entity[i - 1]);
 	return ret;
 }
-- 
2.25.1