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Wei Yongjun authored
In case of error, the function of_iomap() returns NULL pointer not ERR_PTR(). Replace the IS_ERR() test of the return value with NULL test and return a proper error code. Fixes: 706cffc1 ("irqchip/exiu: Add support for Socionext Synquacer EXIU controller") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org> Cc: Marc Zyngier <marc.zyngier@arm.com> Cc: Jason Cooper <jason@lakedaemon.net> Link: https://lkml.kernel.org/r/1510642648-123574-1-git-send-email-weiyongjun1@huawei.com
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