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The check should be for setup function pointer. This patch fixes NULL pointer dereference issue for NCI based NFC driver which doesn't define setup handler. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>