b4bd2aafac
As the potential failure of allocation, devm_kzalloc() may return NULL. Then the 'pd->pmb' and the follow lines of code may bring null pointer dereference. Therefore, it is better to check the return value of devm_kzalloc() to avoid this confusion. Fixes: 8bcac4011ebe ("soc: bcm: add PM driver for Broadcom's PMB") Signed-off-by: QintaoShen <unSimple1993@163.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>