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 <[email protected]>
---
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) {
 
                /* 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 *
-- 
2.1.0

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