[Mesa-dev] [PATCH v2 1/2] egl/dri2: Close file descriptor on error.

Emil Velikov emil.l.velikov at gmail.com
Mon Sep 7 01:58:30 PDT 2015


From: Matt Turner <mattst88 at gmail.com>

v2: [Emil Velikov]
Rework the error path to a common goto, close only if we own the fd.

Signed-off-by: Emil Velikov <emil.l.velikov at gmail.com>
---
 src/egl/drivers/dri2/platform_drm.c | 27 ++++++++++++++-------------
 1 file changed, 14 insertions(+), 13 deletions(-)

diff --git a/src/egl/drivers/dri2/platform_drm.c b/src/egl/drivers/dri2/platform_drm.c
index eda5087..e8fe7ea 100644
--- a/src/egl/drivers/dri2/platform_drm.c
+++ b/src/egl/drivers/dri2/platform_drm.c
@@ -623,26 +623,20 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
       dri2_dpy->own_device = 1;
       gbm = gbm_create_device(fd);
       if (gbm == NULL)
-         return EGL_FALSE;
+         goto cleanup;
    }
 
-   if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0) {
-      free(dri2_dpy);
-      return EGL_FALSE;
-   }
+   if (strcmp(gbm_device_get_backend_name(gbm), "drm") != 0)
+      goto cleanup;
 
    dri2_dpy->gbm_dri = gbm_dri_device(gbm);
-   if (dri2_dpy->gbm_dri->base.type != GBM_DRM_DRIVER_TYPE_DRI) {
-      free(dri2_dpy);
-      return EGL_FALSE;
-   }
+   if (dri2_dpy->gbm_dri->base.type != GBM_DRM_DRIVER_TYPE_DRI)
+      goto cleanup;
 
    if (fd < 0) {
       fd = fcntl(gbm_device_get_fd(gbm), F_DUPFD_CLOEXEC, 3);
-      if (fd < 0) {
-         free(dri2_dpy);
-         return EGL_FALSE;
-      }
+      if (fd < 0)
+         goto cleanup;
    }
 
    dri2_dpy->fd = fd;
@@ -727,4 +721,11 @@ dri2_initialize_drm(_EGLDriver *drv, _EGLDisplay *disp)
    dri2_dpy->vtbl = &dri2_drm_display_vtbl;
 
    return EGL_TRUE;
+
+cleanup:
+   if (dri2_dpy->own_device)
+      close(fd);
+
+   free(dri2_dpy);
+   return EGL_FALSE;
 }
-- 
2.5.0



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