On Wed, Nov 29 2023 at 20:06, Haoran Liu wrote: The subject line: https://www.kernel.org/doc/html/latest/process/maintainer-tip.html#patch-subject > This patch enhances the mips_cpu_register_ipi_domain function in # git grep 'This patch' Documentation/process/ > drivers/irqchip/irq-mips-cpu.c by adding error handling for the > kzalloc The file name is irrelevant. Please read and follow: https://www.kernel.org/doc/html/latest/process/maintainer-tip.html > call. Previously, the function lacked proper handling for kzalloc > failures, which could lead to potential null pointer dereference issues > under low memory conditions. The value of this "enhancement" is dubious. if that kzalloc() fails then any subsequent allocation will fail too and the machine will crash anyway.
