[PATCH 19/27] Staging: iio-utils: fix memory overflow for dynamically allocateded memory to hold filename

[Greg Kroah-Hartman]

From: Barry Song <21cnbao at gmail.com>

Signed-off-by: Barry Song <21cnbao at gmail.com>
Acked-by: Jonathan Cameron <jic23 at cam.ac.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh at suse.de>
---
 drivers/staging/iio/Documentation/iio_utils.h |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/iio/Documentation/iio_utils.h b/drivers/staging/iio/Documentation/iio_utils.h
index a4555e6..014f668 100644
--- a/drivers/staging/iio/Documentation/iio_utils.h
+++ b/drivers/staging/iio/Documentation/iio_utils.h
@@ -62,9 +62,8 @@ inline int find_type_by_name(const char *name, const char *type)
 					1) != 0) {
 				filename = malloc(strlen(iio_dir)
 						+ strlen(type)
-						+ 1
 						+ numstrlen
-						+ 1);
+						+ 6);
 				if (filename == NULL)
 					return -ENOMEM;
 				sprintf(filename, "%s%s%d/name",
-- 
1.7.1