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simple_strtol() ignores overflows and has an awkward interface for error checking. Replace with the recommended kstrtol function leads to clearer error checking and safer conversions. Link: https://lkml.kernel.org/r/20241115080018.5372-1-danielyangkang@gmail.com Signed-off-by: Daniel Yang <danielyangkang@gmail.com> Reviewed-by: Joseph Qi <joseph.qi@linux.alibaba.com> Cc: Mark Fasheh <mark@fasheh.com> Cc: Joel Becker <jlbec@evilplan.org> Cc: Junxiao Bi <junxiao.bi@oracle.com> Cc: Changwei Ge <gechangwei@live.cn> Cc: Jun Piao <piaojun@huawei.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org>