[PATCH libdrm] drm: fix return value

[david1.zhou@xxxxxxx (Chunming Zhou)]

otherwise -ETIME is missed.

Change-Id: Ic5580a74d8027cc468c6135f8cf2f81817993423
Signed-off-by: Chunming Zhou <david1.zhou at amd.com>
---
 xf86drm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xf86drm.c b/xf86drm.c
index 8a327170..3881bd9f 100644
--- a/xf86drm.c
+++ b/xf86drm.c
@@ -4241,7 +4241,7 @@ int drmSyncobjWait(int fd, uint32_t *handles, unsigned num_handles,
 
 	ret = drmIoctl(fd, DRM_IOCTL_SYNCOBJ_WAIT, &args);
 	if (ret < 0)
-		return ret;
+		return -errno;
 
 	if (first_signaled)
 		*first_signaled = args.first_signaled;
-- 
2.14.1