iio: adc: ad7280a: handle spi_setup() errors in probe()

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[ Upstream commit 6b39824ac4 ]

The probe() function ignored the return value of spi_setup(), leaving SPI
configuration failures undetected. If spi_setup() fails, the driver should
stop initialization and propagate the error to the caller.

Add proper error handling: check the return value of spi_setup() and return
it on failure.

Found by Linux Verification Center (linuxtesting.org) with SVACE.

Fixes: 2051f25d2a ("iio: adc: New driver for AD7280A Lithium Ion Battery Monitoring System")
Signed-off-by: Pavel Zhigulin <Pavel.Zhigulin@kaspersky.com>
Reviewed-by: Marcelo Schmitt <marcelo.schmitt@analog.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

...

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Pavel Zhigulin 2025-11-14 18:13:01 +03:00 • committed by Greg Kroah-Hartman

parent 4d60ffcded

commit c7ee18052d

1 changed files with 3 additions and 1 deletions

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drivers/iio/adc/ad7280a.c

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