Fix mapCount refcounting on unmap, even though the value is unused.

1 files changed, 1 insertions, 0 deletions

diff --git a/libdrm/xf86drm.c b/libdrm/xf86drm.c
index 63242bce..0849f896 100644
--- a/libdrm/xf86drm.c
+++ b/libdrm/xf86drm.c
@@ -2874,6 +2874,7 @@ int drmBOUnmap(int fd, drmBO *buf)
     if (ioctl(fd, DRM_IOCTL_BO_UNMAP, &arg)) {
 	return -errno;
     }
+    buf->mapCount--;
     return 0;
 }