[PATCH 4.11 129/150] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()

From	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Newsgroups	linux.kernel
Subject	[PATCH 4.11 129/150] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()
Date	2017-06-12 19:10 +0200
Message-ID	<tRB0K-4VC-15@gated-at.bofh.it> (permalink)
References	<tRzrX-3OZ-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

Show all headers | View raw

4.11-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Dan Carpenter <dan.carpenter@oracle.com>

commit f0c62e9878024300319ba2438adc7b06c6b9c448 upstream.

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

Fixes: fb1d9738ca05 ("drm/vmwgfx: Add DRM driver for VMware Virtual GPU")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Reviewed-by: Sinclair Yeh <syeh@vmware.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c |    2 ++
 1 file changed, 2 insertions(+)

--- 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(stru
 				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;
 			}
 		}

Back to linux.kernel | Previous | Next | Find similar | Unroll thread

Thread

[PATCH 4.11 129/150] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve() Greg Kroah-Hartman <gregkh@linuxfoundation.org> - 2017-06-12 19:10 +0200

csiph-web