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Diffstat (limited to 'xorg-server/dri3/dri3_screen.c')
-rw-r--r--xorg-server/dri3/dri3_screen.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/xorg-server/dri3/dri3_screen.c b/xorg-server/dri3/dri3_screen.c
index cf2735b8d..c88029612 100644
--- a/xorg-server/dri3/dri3_screen.c
+++ b/xorg-server/dri3/dri3_screen.c
@@ -55,6 +55,9 @@ dri3_pixmap_from_fd(PixmapPtr *ppixmap, ScreenPtr screen, int fd,
dri3_screen_info_ptr info = ds->info;
PixmapPtr pixmap;
+ if (!info || !info->pixmap_from_fd)
+ return BadImplementation;
+
pixmap = (*info->pixmap_from_fd) (screen, fd, width, height, stride, depth, bpp);
if (!pixmap)
return BadAlloc;
@@ -71,6 +74,9 @@ dri3_fd_from_pixmap(int *pfd, PixmapPtr pixmap, CARD16 *stride, CARD32 *size)
dri3_screen_info_ptr info = ds->info;
int fd;
+ if (!info || !info->fd_from_pixmap)
+ return BadImplementation;
+
fd = (*info->fd_from_pixmap)(screen, pixmap, stride, size);
if (fd < 0)
return BadAlloc;