From: Brendan Le Foll <brendan.le.foll@intel.com>
Date: Mon, 21 Dec 2015 15:48:44 +0000 (+0000)
Subject: iio.c: Check return of fscanf
X-Git-Tag: v0.9.0~1
X-Git-Url: http://review.tizen.org/git/?p=contrib%2Fmraa.git;a=commitdiff_plain;h=d4b32ec1c5fe77f8bd8fb1c3ab9f42c04ba6d7dd

iio.c: Check return of fscanf

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
---

diff --git a/src/iio/iio.c b/src/iio/iio.c
index 26dba06..ddc7157 100644
--- a/src/iio/iio.c
+++ b/src/iio/iio.c
@@ -531,14 +531,18 @@ mraa_iio_get_mounting_matrix(mraa_iio_context dev, float mm[9])
 {
     char buf[MAX_SIZE];
     FILE* fp;
+    int ret;
 
     memset(buf, 0, MAX_SIZE);
     snprintf(buf, MAX_SIZE, IIO_SYSFS_DEVICE "%d/" IIO_MOUNTING_MATRIX, dev->num);
     fp = fopen(buf, "r");
     if (fp != NULL) {
-        fscanf(fp, "%f %f %f\n%f %f %f\n%f %f %f\n", &mm[0], &mm[1], &mm[2], &mm[3], &mm[4], &mm[5],
+        ret = fscanf(fp, "%f %f %f\n%f %f %f\n%f %f %f\n", &mm[0], &mm[1], &mm[2], &mm[3], &mm[4], &mm[5],
                &mm[6], &mm[7], &mm[8]);
         fclose(fp);
+        if (ret != 9) {
+            return MRAA_ERROR_UNSPECIFIED;
+        }
         return MRAA_SUCCESS;
     }
     return MRAA_ERROR_UNSPECIFIED;