iio: adc: ad7280a: Fix memory leak

Free channels in case read fails with error.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Acked-by: Jonathan Cameron <jic23@cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Michael Hennerich 2011-10-26 13:38:18 +02:00 committed by Greg Kroah-Hartman
parent e15fbc91a4
commit 703a9ce45a

View File

@ -688,7 +688,7 @@ static irqreturn_t ad7280_event_handler(int irq, void *private)
ret = ad7280_read_all_channels(st, st->scan_cnt, channels);
if (ret < 0)
return IRQ_HANDLED;
goto out;
for (i = 0; i < st->scan_cnt; i++) {
if (((channels[i] >> 23) & 0xF) <= AD7280A_CELL_VOLTAGE_6) {
@ -731,6 +731,7 @@ static irqreturn_t ad7280_event_handler(int irq, void *private)
}
}
out:
kfree(channels);
return IRQ_HANDLED;