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Fri, 4 Oct 2024 16:45:45 +0200 (CEST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1728053146; bh=fYfSSOrKZmAiaAi47MtEcgYXH+Y8u5Bkiv3Y38PojcE=; h=From:Date:Subject:References:In-Reply-To:To:Cc:From; b=upnEP8i6jIXLN2T99tOtnY54Xz46ijnV8KZvyXm8cANwh86xWcrtDgums5qHI41w5 x+v8kFCFx67Q22vg/JJbsRQxWHxfC0xQCySL+zyFwqZl+Ahpbcmkao7BgDyi8L7qPA 9FCB6p1R1GKGmwZTyJ77SQyeejy74t80HZYLcDbw= From: Tomi Valkeinen Date: Fri, 04 Oct 2024 17:46:42 +0300 Subject: [PATCH 11/13] media: i2c: ds90ub960: Handle errors in ub960_log_status_ub960_sp_eq() Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20241004-ub9xx-fixes-v1-11-e30a4633c786@ideasonboard.com> References: <20241004-ub9xx-fixes-v1-0-e30a4633c786@ideasonboard.com> In-Reply-To: <20241004-ub9xx-fixes-v1-0-e30a4633c786@ideasonboard.com> To: Mauro Carvalho Chehab , Sakari Ailus , Hans Verkuil , Andy Shevchenko Cc: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, Jai Luthra , Tomi Valkeinen X-Mailer: b4 0.13.0 X-Developer-Signature: v=1; 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a=openpgp; fpr=C4380C3E965EFD81079FF3A7FA3DAA8CBC961EF5 Add error handling for i2c read/write calls to ub960_log_status_ub960_sp_eq() Signed-off-by: Tomi Valkeinen --- drivers/media/i2c/ds90ub960.c | 21 ++++++++++++++++----- 1 file changed, 16 insertions(+), 5 deletions(-) diff --git a/drivers/media/i2c/ds90ub960.c b/drivers/media/i2c/ds90ub960.c index ab5330db4162..47990aa1f007 100644 --- a/drivers/media/i2c/ds90ub960.c +++ b/drivers/media/i2c/ds90ub960.c @@ -2977,17 +2977,22 @@ static void ub960_log_status_ub960_sp_eq(struct ub960_data *priv, u8 eq_level; s8 strobe_pos; u8 v = 0; + int ret; /* Strobe */ - ub960_read(priv, UB960_XR_AEQ_CTL1, &v); + ret = ub960_read(priv, UB960_XR_AEQ_CTL1, &v); + if (ret) + return; dev_info(dev, "\t%s strobe\n", (v & UB960_XR_AEQ_CTL1_AEQ_SFILTER_EN) ? "Adaptive" : "Manual"); if (v & UB960_XR_AEQ_CTL1_AEQ_SFILTER_EN) { - ub960_read(priv, UB960_XR_SFILTER_CFG, &v); + ret = ub960_read(priv, UB960_XR_SFILTER_CFG, &v); + if (ret) + return; dev_info(dev, "\tStrobe range [%d, %d]\n", ((v >> UB960_XR_SFILTER_CFG_SFILTER_MIN_SHIFT) & 0xf) - @@ -2996,20 +3001,26 @@ static void ub960_log_status_ub960_sp_eq(struct ub960_data *priv, 7); } - ub960_rxport_get_strobe_pos(priv, nport, &strobe_pos); + ret = ub960_rxport_get_strobe_pos(priv, nport, &strobe_pos); + if (ret) + return; dev_info(dev, "\tStrobe pos %d\n", strobe_pos); /* EQ */ - ub960_rxport_read(priv, nport, UB960_RR_AEQ_BYPASS, &v); + ret = ub960_rxport_read(priv, nport, UB960_RR_AEQ_BYPASS, &v); + if (ret) + return; dev_info(dev, "\t%s EQ\n", (v & UB960_RR_AEQ_BYPASS_ENABLE) ? "Manual" : "Adaptive"); if (!(v & UB960_RR_AEQ_BYPASS_ENABLE)) { - ub960_rxport_read(priv, nport, UB960_RR_AEQ_MIN_MAX, &v); + ret = ub960_rxport_read(priv, nport, UB960_RR_AEQ_MIN_MAX, &v); + if (ret) + return; dev_info(dev, "\tEQ range [%u, %u]\n", (v >> UB960_RR_AEQ_MIN_MAX_AEQ_FLOOR_SHIFT) & 0xf,