[PATCH libdrm 3/3] xf86drm: replace stat() with access() to verify file existence

Eric Engestrom eric.engestrom at imgtec.com
Mon Mar 26 10:26:48 UTC 2018


Signed-off-by: Eric Engestrom <eric.engestrom at imgtec.com>
---
 xf86drm.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/xf86drm.c b/xf86drm.c
index 5701952ae83634b47628..47a82407df82d37a59b2 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -3767,10 +3767,8 @@ int drmGetDevice2(int fd, uint32_t flags, drmDevicePtr *device)
         return -EINVAL;
 
     n = snprintf(node, PATH_MAX, dev_name, DRM_DIR_NAME, min - base);
-    if (n == -1 || n >= PATH_MAX)
+    if (n == -1 || n >= PATH_MAX || access(node, F_OK))
       return -errno;
-    if (stat(node, &sbuf))
-        return -EINVAL;
 
     subsystem_type = drmParseSubsystemType(maj, min);
     if (subsystem_type != DRM_BUS_PCI)
-- 
Cheers,
  Eric



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