Messages in this thread | | | From | Wenwen Wang <> | Date | Tue, 16 Apr 2019 16:29:52 -0500 | Subject | Re: [PATCH v2] x86/PCI: fix a memory leak bug |
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On Tue, Apr 16, 2019 at 3:33 PM Thomas Gleixner <tglx@linutronix.de> wrote: > > On Tue, 16 Apr 2019, Wenwen Wang wrote: > > > In pcibios_irq_init(), the PCI IRQ routing table 'pirq_table' is firstly > > found through pirq_find_routing_table(). If the table is not found and > > 'CONFIG_PCI_BIOS' is defined, the table is then allocated in > > pcibios_get_irq_routing_table() using kmalloc(). In the following > > execution, if the I/O APIC is used, this table is actually not used. > > However, in that case, the allocated table is not freed, which can lead to > > a memory leak bug. > > s/which can lead to/which is/ > > There is no 'can'. It simply is a memory leak. > > > To fix this issue, this patch frees the allocated table if it is not used. > > To fix this issue, free the allocated table if it is not used. > > 'this patch' is completely redundant information and discouraged in > Documentation/process/.... >
Thanks for your suggestions, Thomas. I will revise the commit's message.
Wenwen
> Other than that: > > Acked-by: Thomas Gleixner <tglx@linutronix.de>
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