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[ Upstream commitc3fbced9af] Smatch reports: drivers/soc/bcm/brcmstb/biuctrl.c:291 setup_hifcpubiuctrl_regs() warn: 'cpubiuctrl_base' from of_iomap() not released on lines: 291. This is because in setup_hifcpubiuctrl_regs(), cpubiuctrl_base is not released when handle error, which may cause a leak. To fix this, iounmap is added when handle error. Fixes:22f7a9116e("soc: brcmstb: Correct CPU_CREDIT_REG offset for Brahma-B53 CPUs") Signed-off-by: Zhaoyang Li <lizhaoyang04@hust.edu.cn> Reviewed-by: Dan Carpenter <error27@gmail.com> Reviewed-by: Dongliang Mu <dzm91@hust.edu.cn> Link: https://lore.kernel.org/r/20230327115422.1536615-1-lizhaoyang04@hust.edu.cn Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Sasha Levin <sashal@kernel.org>