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([2804:14c:485:4b61:918f:1fce:e47c:7f91]) by smtp.gmail.com with ESMTPSA id r24-20020a63e518000000b005bdbe9a597fsm1392278pgh.57.2024.03.28.07.58.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 28 Mar 2024 07:59:01 -0700 (PDT) From: Fabio Estevam To: sakari.ailus@linux.intel.com Cc: rmfrfs@gmail.com, hansg@kernel.org, linux-media@vger.kernel.org, Fabio Estevam , stable@vger.kernel.org, Hans de Goede Subject: [PATCH v2] media: ov2680: Clear the 'ret' variable on success Date: Thu, 28 Mar 2024 11:58:41 -0300 Message-Id: <20240328145841.2514534-1-festevam@gmail.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit From: Fabio Estevam Since commit 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification") even when the correct 'link-frequencies' property is passed in the devicetree, the driver fails to probe: ov2680 1-0036: probe with driver ov2680 failed with error -22 The reason is that the variable 'ret' may contain the -EINVAL value from a previous assignment: ret = fwnode_property_read_u32(dev_fwnode(dev), "clock-frequency", &rate); Fix the problem by clearing 'ret' on the successful path. Tested on imx7s-warp board with the following devicetree: port { ov2680_to_mipi: endpoint { remote-endpoint = <&mipi_from_sensor>; clock-lanes = <0>; data-lanes = <1>; link-frequencies = /bits/ 64 <330000000>; }; }; Cc: stable@vger.kernel.org Fixes: 63b0cd30b78e ("media: ov2680: Add bus-cfg / endpoint property verification") Suggested-by: Hans de Goede Signed-off-by: Fabio Estevam --- Changes since v1: - Use Hans' suggestion to clear 'ret'. drivers/media/i2c/ov2680.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/media/i2c/ov2680.c b/drivers/media/i2c/ov2680.c index 39d321e2b7f9..3e3b7c2b492c 100644 --- a/drivers/media/i2c/ov2680.c +++ b/drivers/media/i2c/ov2680.c @@ -1135,6 +1135,7 @@ static int ov2680_parse_dt(struct ov2680_dev *sensor) goto out_free_bus_cfg; } + ret = 0; out_free_bus_cfg: v4l2_fwnode_endpoint_free(&bus_cfg); return ret; -- 2.34.1