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([108.180.130.139]) by smtp.gmail.com with ESMTPSA id d2e1a72fcca58-84e532585edsm1637461b3a.4.2026.07.26.00.22.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Jul 2026 00:22:34 -0700 (PDT) From: Babanpreet Singh To: Jonathan Cameron , Petre Rodan Cc: David Lechner , =?UTF-8?q?Nuno=20S=C3=A1?= , Andy Shevchenko , linux-iio@vger.kernel.org, linux-kernel@vger.kernel.org, Babanpreet Singh Subject: [PATCH] iio: pressure: abp2030pa: Remove unreachable return in abp2_read_raw() Date: Sun, 26 Jul 2026 07:22:34 +0000 Message-ID: <20260726072234.7-1-bbnpreetsingh@gmail.com> X-Mailer: git-send-email 2.47.3 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit In the IIO_CHAN_INFO_RAW case every arm of the inner switch on channel->type returns - IIO_PRESSURE and IIO_TEMP return IIO_VAL_INT and default returns -EINVAL - so the "return IIO_VAL_INT;" following that switch cannot be reached. The sibling IIO_CHAN_INFO_SCALE and IIO_CHAN_INFO_OFFSET cases have the same shape and no trailing return, so drop it here as well. Found by smatch: drivers/iio/pressure/abp2030pa.c:382 abp2_read_raw() warn: ignoring unreachable code. No functional change: the compiler already discarded the statement, and the generated object code is identical before and after. Assisted-by: Claude:claude-opus-5 Signed-off-by: Babanpreet Singh --- drivers/iio/pressure/abp2030pa.c | 1 - 1 file changed, 1 deletion(-) diff --git a/drivers/iio/pressure/abp2030pa.c b/drivers/iio/pressure/abp2030pa.c index b44f1bf4c633..41395036e9ad 100644 --- a/drivers/iio/pressure/abp2030pa.c +++ b/drivers/iio/pressure/abp2030pa.c @@ -379,7 +379,6 @@ static int abp2_read_raw(struct iio_dev *indio_dev, default: return -EINVAL; } - return IIO_VAL_INT; case IIO_CHAN_INFO_SCALE: switch (channel->type) { -- 2.43.0