tree 9cc1f7185399fb3cf0f4cb193adbc377c7bed7e2
parent a21e6bfeb40eddf365d3e7841b37f3708fa6b13f
author Lars-Peter Clausen <lars@metafoo.de> 1338913452 +0200
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1339046789 +0900

iio: iio_enum_available_read: Prevent possible buffer overflow

Use scnprint instead of snprintf, because snprintf returns the number of bytes
that would have been written to the buffer if there was enough space, and as a
result writing to buf[len-1] might cause a access beyond the buffers limits.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Acked-by: Jonathan Cameron <jic23@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>