tools/iio/iio_utils:fix memory leak

[ Upstream commit f2edf0c819 ]

1. fopen sysfs without fclose.
2. asprintf filename without free.
3. if asprintf return error,do not need to free the buffer.

Signed-off-by: Yulong Zhang <yulong.zhang@metoak.net>
Link: https://lore.kernel.org/r/20230117025147.69890-1-yulong.zhang@metoak.net
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Yulong Zhang 2023-01-17 10:51:47 +08:00 • committed by Greg Kroah-Hartman
commit fa86dcdd42