[-fixes,3/9] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()

Commit Message

Thomas Hellstrom June 7, 2017, 1:24 p.m. UTC

From: Dan Carpenter <[e-mail]>

If vmalloc() fails then we need to a bit of cleanup before returning.

Cc: <[e-mail]>
Fixes: fb1d9738ca05 ("drm/vmwgfx: Add DRM driver for VMware Virtual GPU")
Signed-off-by: Dan Carpenter <[e-mail]>
Reviewed-by: Sinclair Yeh <[e-mail]>
---
 drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 2 ++
 1 file changed, 2 insertions(+)

Patch

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index b6a0806..a1c68e6 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -368,6 +368,8 @@  static void *vmw_local_fifo_reserve(struct vmw_private *dev_priv,
 				return fifo_state->static_buffer;
 			else {
 				fifo_state->dynamic_buffer = vmalloc(bytes);
+				if (!fifo_state->dynamic_buffer)
+					goto out_err;
 				return fifo_state->dynamic_buffer;
 			}
 		}