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6a6120bc5e
On the unlikely event that drv is null, the current code will perform a null pointer dereference with it when printing a dev_dbg message. Instead, the BUG_ON check on drv should be performed before we emit the dev_dbg message. Signed-off-by: Colin Ian King <colin.king@canonical.com> Signed-off-by: Geoff Levand <geoff@infradead.org> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>