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powerpc/rtas: Replaced simple_strtoull() with kstrtoull()
The simple_strtoull() function is deprecated in some situation, since it does not check for the range overflow, use kstrtoull() instead. Signed-off-by: Chen Huang <chenhuang5@huawei.com> Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: https://lore.kernel.org/r/20210526092020.554341-1-chenhuang5@huawei.com
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1 changed files with 1 additions and 6 deletions
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@ -259,7 +259,6 @@ __initcall(proc_rtas_init);
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static int parse_number(const char __user *p, size_t count, u64 *val)
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{
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char buf[40];
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char *end;
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if (count > 39)
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return -EINVAL;
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@ -269,11 +268,7 @@ static int parse_number(const char __user *p, size_t count, u64 *val)
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buf[count] = 0;
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*val = simple_strtoull(buf, &end, 10);
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if (*end && *end != '\n')
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return -EINVAL;
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return 0;
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return kstrtoull(buf, 10, val);
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}
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/* ****************************************************************** */
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