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Message-Id: <1458810585-24555-1-git-send-email-irina.tirdea@intel.com> Date: Thu, 24 Mar 2016 11:09:45 +0200 From: Irina Tirdea <irina.tirdea@...el.com> To: Jonathan Cameron <jic23@...nel.org>, linux-iio@...r.kernel.org Cc: linux-kernel@...r.kernel.org, Hartmut Knaack <knaack.h@....de>, Lars-Peter Clausen <lars@...afoo.de>, Peter Meerwald <pmeerw@...erw.net>, Octavian Purdila <octavian.purdila@...el.com>, Irina Tirdea <irina.tirdea@...el.com> Subject: [PATCH 1/1] iio: fix config watermark initial value config structure is set to 0 when updating the buffers, so by default config->watermark will be 0. When computing the minimum between config->watermark and the buffer->watermark or insert_buffer-watermark, this will always be 0 regardless of the value set by the user for the buffer. Set as initial value for config->watermark the maximum allowed value so that the minimum value will always be set from one of the buffers. Signed-off-by: Irina Tirdea <irina.tirdea@...el.com> --- drivers/iio/industrialio-buffer.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c index b976332..90462fc 100644 --- a/drivers/iio/industrialio-buffer.c +++ b/drivers/iio/industrialio-buffer.c @@ -653,6 +653,7 @@ static int iio_verify_update(struct iio_dev *indio_dev, unsigned int modes; memset(config, 0, sizeof(*config)); + config->watermark = ~0; /* * If there is just one buffer and we are removing it there is nothing -- 1.9.1
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