iio: inkern: Remove the 'unused' variable usage in iio_channel_read_max()

The code uses a local variable to initialize a null pointer in order to
avoid accessing this null pointer later on.

Simply removed the 'unused' variable and check for the null pointer just
before accessing it.

Signed-off-by: Herve Codina <[email protected]>
Reviewed-by: Andy Shevchenko <[email protected]>
Acked-by: Jonathan Cameron <[email protected]>
Reviewed-by: Christophe Leroy <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Mark Brown <[email protected]>

0 files changed, 0 insertions, 0 deletions