[PATCH 3.16 162/233] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()

From	Ben Hutchings <ben@decadent.org.uk>
Newsgroups	linux.kernel
Subject	[PATCH 3.16 162/233] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()
Date	2017-09-10 01:20 +0200
Message-ID	<unXcD-3OU-49@gated-at.bofh.it> (permalink)
References	<unWqd-3ep-3@gated-at.bofh.it>
Organization	linux.* mail to news gateway

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3.16.48-rc1 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: Ben Hutchings <ben@decadent.org.uk>
---
 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
@@ -385,6 +385,8 @@ void *vmw_fifo_reserve(struct vmw_privat
 				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;
 			}
 		}

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[PATCH 3.16 162/233] drm/vmwgfx: Handle vmalloc() failure in  vmw_local_fifo_reserve() Ben Hutchings <ben@decadent.org.uk> - 2017-09-10 01:20 +0200

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