tiler_reserve_2d allocates memory but does not check if it got the
memory. Add the check and return ENOMEM on failure.
Signed-off-by: Tomi Valkeinen <tomi.valkei...@ti.com>
---
drivers/gpu/drm/omapdrm/omap_dmm_tiler.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
index c40f90d2db82..28d93ece191e 100644
--- a/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
+++ b/drivers/gpu/drm/omapdrm/omap_dmm_tiler.c
@@ -532,6 +532,9 @@ struct tiler_block *tiler_reserve_2d(enum tiler_fmt fmt,
u16 w,
unsigned long flags;
u32 slot_bytes;
+ if (!block)
+ return ERR_PTR(-ENOMEM);
+
BUG_ON(!validfmt(fmt));
/* convert width/height to slots */
--
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