blob: be07ed14e3f6d686b29957a85b8798e2f9e59396 (
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diff --git a/intel/intel_bufmgr_gem.c b/intel/intel_bufmgr_gem.c
index 0a4012b..cb463be 100644
--- a/intel/intel_bufmgr_gem.c
+++ b/intel/intel_bufmgr_gem.c
@@ -3268,13 +3268,24 @@ drm_intel_bufmgr_gem_set_aub_annotations(drm_intel_bo *bo,
static pthread_mutex_t bufmgr_list_mutex = PTHREAD_MUTEX_INITIALIZER;
static drmMMListHead bufmgr_list = { &bufmgr_list, &bufmgr_list };
+static int
+compare_file_descriptor(int fd1, int fd2) {
+ struct stat stat1, stat2;
+ if (fstat (fd1, &stat1) < 0)
+ return -1;
+ if (fstat (fd2, &stat2) < 0)
+ return -1;
+ return (stat1.st_dev == stat2.st_dev) && (stat1.st_ino == stat2.st_ino);
+}
+
static drm_intel_bufmgr_gem *
drm_intel_bufmgr_gem_find(int fd)
{
drm_intel_bufmgr_gem *bufmgr_gem;
DRMLISTFOREACHENTRY(bufmgr_gem, &bufmgr_list, managers) {
- if (bufmgr_gem->fd == fd) {
+ if (bufmgr_gem->fd == fd ||
+ compare_file_descriptor (bufmgr_gem->fd, fd)) {
atomic_inc(&bufmgr_gem->refcount);
return bufmgr_gem;
}
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