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drm/vmwgfx: Handle vmalloc() failure in vmw_local_fifo_reserve()

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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>
This commit is contained in:
Dan Carpenter 2017-04-27 12:12:08 +03:00 committed by Greg Kroah-Hartman
parent 3743c0e127
commit 64c21af51d
1 changed files with 2 additions and 0 deletions
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2
drivers/gpu/drm/vmwgfx/vmwgfx_fifo.c
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@ -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;
}
}