IB/mlx4: Remove redundant NULL check before kfree
kfree on NULL pointer is a no-op. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Roland Dreier <roland@purestorage.com>
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kfree on NULL pointer is a no-op. Signed-off-by: Syam Sidhardhan <s.syam@samsung.com> Signed-off-by: Roland Dreier <roland@purestorage.com>