diff --git a/drivers/staging/omapdrm/omap_dmm_tiler.c b/drivers/staging/omapdrm/omap_dmm_tiler.c index 852d9440f7258c69a003563fbe4ba22528084d82..e4c7bb6afce4241718ba3318253bd44ec91de4b1 100644 --- a/drivers/staging/omapdrm/omap_dmm_tiler.c +++ b/drivers/staging/omapdrm/omap_dmm_tiler.c @@ -766,10 +766,18 @@ int tiler_map_show(struct seq_file *s, void *arg) const char *a2d = special; const char *m2dp = m2d, *a2dp = a2d; char nice[128]; - int h_adj = omap_dmm->lut_height / ydiv; - int w_adj = omap_dmm->lut_width / xdiv; + int h_adj; + int w_adj; unsigned long flags; + if (!omap_dmm) { + /* early return if dmm/tiler device is not initialized */ + return 0; + } + + h_adj = omap_dmm->lut_height / ydiv; + w_adj = omap_dmm->lut_width / xdiv; + map = kzalloc(h_adj * sizeof(*map), GFP_KERNEL); global_map = kzalloc((w_adj + 1) * h_adj, GFP_KERNEL);