intel_edison_fab_c.c: check fstat return value

Signed-off-by: Brendan Le Foll <brendan.le.foll@intel.com>
2015-07-01 10:42:54 +01:00
parent f080a74497
commit 8a95972774
1 changed files with 4 additions and 1 deletions
--- a/src/x86/intel_edison_fab_c.c
+++ b/src/x86/intel_edison_fab_c.c
@@ -677,7 +677,10 @@ mraa_intel_edison_mmap_setup(mraa_gpio_context dev, mraa_boolean_t en)
        }

        struct stat fd_stat;
-        fstat(mmap_fd, &fd_stat);
+        if (fstat(mmap_fd, &fd_stat) != 0) {
+            syslog(LOG_ERR, "edison map: unable to access resource0 file");
+            return MRAA_ERROR_INVALID_HANDLE;
+        }
        mmap_size = fd_stat.st_size;

        mmap_reg =