On Mon 2015-07-27 17:32:22, Guenter Roeck wrote:
> simple_strtoul() is deprecated; replace with kstrtoul() and kstrtouint().
> Return an error if the value passed to the sysfs attribute is not
> a number.
>
> Drop the definition of strtoul() since it is no longer needed.
>
> Signed-off-by: Guenter Roeck <linux@xxxxxxxxxxxx>
> ---
> v2: An additional use of strtoul() was introduced with commit 4fa4616e.
> Replace it as well.
>
> drivers/acpi/acpica/evgpeinit.c | 5 +++--
> drivers/acpi/sysfs.c | 8 ++++++--
> include/acpi/platform/aclinux.h | 1 -
> 3 files changed, 9 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/acpi/acpica/evgpeinit.c b/drivers/acpi/acpica/evgpeinit.c
> index ea4c0d3fca2d..aa1e8c1f2d4a 100644
> --- a/drivers/acpi/acpica/evgpeinit.c
> +++ b/drivers/acpi/acpica/evgpeinit.c
> @@ -326,6 +326,7 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
> u32 gpe_number;
> char name[ACPI_NAME_SIZE + 1];
> u8 type;
> + int err;
>
> ACPI_FUNCTION_TRACE(ev_match_gpe_method);
>
> @@ -377,8 +378,8 @@ acpi_ev_match_gpe_method(acpi_handle obj_handle,
>
> /* 4) The last two characters of the name are the hex GPE Number */
>
> - gpe_number = strtoul(&name[2], NULL, 16);
> - if (gpe_number == ACPI_UINT32_MAX) {
> + er = kstrtouint(&name[2], 16, &gpe_number);
> + if (err < 0 || gpe_number == ACPI_UINT32_MAX) {
Are you sure you compile-tested this?
> /* Conversion failed; invalid method, just ignore it */
>
> diff --git a/drivers/acpi/sysfs.c b/drivers/acpi/sysfs.c
> index 0876d77b3206..d6ea5712ec57 100644
> --- a/drivers/acpi/sysfs.c
> +++ b/drivers/acpi/sysfs.c
> @@ -616,8 +616,12 @@ static ssize_t counter_set(struct kobject *kobj,
> all_counters[index].count = tmp;
> else
> result = -EINVAL;
> - } else
> - all_counters[index].count = strtoul(buf, NULL, 0);
> + } else {
> + if (!kstrtoul(buf, 0, &tmp))
> + all_counters[index].count = tmp;
> + else
> + result = -EINVAL;
> + }
>
> if (ACPI_FAILURE(result))
> result = -EINVAL;
> diff --git a/include/acpi/platform/aclinux.h b/include/acpi/platform/aclinux.h
> index 74ba46c8157a..9925c1d5d58f 100644
> --- a/include/acpi/platform/aclinux.h
> +++ b/include/acpi/platform/aclinux.h
> @@ -119,7 +119,6 @@
>
> #define ACPI_MACHINE_WIDTH BITS_PER_LONG
> #define ACPI_EXPORT_SYMBOL(symbol) EXPORT_SYMBOL(symbol);
> -#define strtoul simple_strtoul
>
> #define acpi_cache_t struct kmem_cache
> #define acpi_spinlock spinlock_t *
--
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