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Subject[PATCH 3.10 093/139] drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()
Date
From: Dan Carpenter <dan.carpenter@oracle.com>

commit f0c62e9878024300319ba2438adc7b06c6b9c448 upstream.

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

Cc: <stable@vger.kernel.org>
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: Willy Tarreau <w@1wt.eu>
---
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c | 2 ++
1 file changed, 2 insertions(+)

diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
index 8966493..a3a7028 100644
--- a/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
+++ b/drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
@@ -368,6 +368,8 @@ void *vmw_fifo_reserve(struct vmw_private *dev_priv, uint32_t bytes)
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;
}
}
--
2.8.0.rc2.1.gbe9624a
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