minigbm: add O_CLOEXEC for the opened fd

BUG=b:162475183
TEST=None

Change-Id: Ic7debb48874ad90509954f7138e33a9d88da4898
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/minigbm/+/2368693
Reviewed-by: Gurchetan Singh <gurchetansingh@chromium.org>
Reviewed-by: Lepton Wu <lepton@chromium.org>
Tested-by: Boleyn Su <boleynsu@chromium.org>
Auto-Submit: Boleyn Su <boleynsu@chromium.org>
Commit-Queue: Boleyn Su <boleynsu@chromium.org>

diff --git a/cros_gralloc/cros_gralloc_driver.cc b/cros_gralloc/cros_gralloc_driver.cc
index e32704a..a7174d7 100644 (file)
--- a/cros_gralloc/cros_gralloc_driver.cc
+++ b/cros_gralloc/cros_gralloc_driver.cc
@@ -55,7 +55,7 @@ int32_t cros_gralloc_driver::init()
                        if (asprintf(&node, str, DRM_DIR_NAME, j) < 0)
                                continue;
 
-                       fd = open(node, O_RDWR, 0);
+                       fd = open(node, O_RDWR | O_CLOEXEC);
                        free(node);
 
                        if (fd < 0)