From: Michael Hennerich <michael.hennerich@analog.com>
Date: Wed, 26 Oct 2011 11:38:18 +0000 (+0200)
Subject: iio: adc: ad7280a: Fix memory leak
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=703a9ce45abf0ae0221161fbb11952dc528db0b0;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git

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>
---

diff --git a/drivers/staging/iio/adc/ad7280a.c b/drivers/staging/iio/adc/ad7280a.c
index 0c212e050a8d..f45b66bf6105 100644
--- a/drivers/staging/iio/adc/ad7280a.c
+++ b/drivers/staging/iio/adc/ad7280a.c
@@ -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;