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iio: adc: xilinx-xadc: Drop duplicate NULL check in xadc_parse_dt()

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The fwnode_for_each_child_node() is NULL-aware, no need to check
its parameters outside. Drop duplicate NULL check in xadc_parse_dt().

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20220531141118.64540-2-andriy.shevchenko@linux.intel.com
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
This commit is contained in:
Andy Shevchenko 2022-05-31 17:11:18 +03:00 committed by Jonathan Cameron
parent 59b2947ed4
commit 568f6869e6
1 changed files with 21 additions and 23 deletions
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drivers/iio/adc/xilinx-xadc-core.c
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@ -1247,7 +1247,6 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, unsigned int *conf, int irq)
chan = &channels[9];
chan_node = device_get_named_child_node(dev, "xlnx,channels");
if (chan_node) {
fwnode_for_each_child_node(chan_node, child) {
if (num_channels >= max_channels) {
fwnode_handle_put(child);
@ -1271,7 +1270,6 @@ static int xadc_parse_dt(struct iio_dev *indio_dev, unsigned int *conf, int irq)
num_channels++;
chan++;
}
}
fwnode_handle_put(chan_node);
/* No IRQ => no events */