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commit5e761a2287upstream. The function performs a check on the "phy" input parameter, however, it is used before the check. Initialize the "dev" variable after the sanity check to avoid a possible NULL pointer dereference. Fixes:5c82902844("drm/msm/dsi: Split PHY drivers to separate files") Addresses-Coverity-ID: 1493860 ("Null pointer dereference") Signed-off-by: José Expósito <jose.exposito89@gmail.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Link: https://lore.kernel.org/r/20220116181844.7400-1-jose.exposito89@gmail.com Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>