[PATCH v3] iio-utils: fix memory overflow for dynamically allocateded memory to hold filename

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Signed-off-by: Barry Song <21cnbao@xxxxxxxxx>
---
 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",
-- 
1.5.6.3

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