commit 9a5094ca upstream.
A sysfs write callback function needs to either return the number of
consumed characters or an error.
The ad952x_store() function currently returns 0 if the input value was "0",
this will signal that no characters have been consumed and the function
will be called repeatedly in a loop indefinitely. Fix this by returning
number of supplied characters to indicate that the whole input string has
Signed-off-by: Lars-Peter Clausen <firstname.lastname@example.org>
Signed-off-by: Alexandru Ardelean <email@example.com>
Fixes: cd1678f9 ("iio: frequency: New driver for AD9523 SPI Low Jitter Clock Generator")
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Greg Kroah-Hartman <firstname.lastname@example.org>