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Issue of the Implementation # L0272

Brief

sm501fb: don't return zero on failure path in sm501fb_start()

Detailed Description

If fbmem iomemory mapping failed, sm501fb_start() breaks off initialization, deallocates resources, but returns zero. As a result, double deallocation can happen in sm501fb_stop().

Component

linux-kernel 4.11

Accepted

https://lkml.org/lkml/2017/4/29/94
commit

Status

Fixed in kernel 4.12-rc1

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