Null check at line 918: if (!spi) {, implies spi might be NULL.
Function spi_get_drvdata() dereference pointer spi.
Move pointer priv assignment after the null check.

Addresses-Coverity-ID: 1408888
Signed-off-by: NGustavo A. R. Silva <garsilva@embeddedor.com>
Signed-off-by: NMarcel Holtmann <marcel@holtmann.org>