[PATCH] driver core: replace strict_strto*() with kstrto*()

[Jingoo Han]

The usage of strict_strto*() is not preferred, because
strict_strto*() is obsolete. Thus, kstrto*() should be
used.

Signed-off-by: Jingoo Han <jg1....@samsung.com>
---
 drivers/base/core.c                  |    2 +-
 drivers/base/memory.c                |   10 ++++++----
 drivers/base/power/sysfs.c           |    7 ++++++-
 drivers/base/regmap/regmap-debugfs.c |    5 +++--
 4 files changed, 16 insertions(+), 8 deletions(-)

diff --git a/drivers/base/core.c b/drivers/base/core.c
index 8856d74..edfbf05 100644
--- a/drivers/base/core.c
+++ b/drivers/base/core.c
@@ -38,7 +38,7 @@ long sysfs_deprecated = 0;
 #endif
 static __init int sysfs_deprecated_setup(char *arg)
 {
-       return strict_strtol(arg, 10, &sysfs_deprecated);
+       return kstrtol(arg, 10, &sysfs_deprecated);
 }
 early_param("sysfs.deprecated", sysfs_deprecated_setup);
 #endif
diff --git a/drivers/base/memory.c b/drivers/base/memory.c
index 2b7813e..d0817fb 100644
--- a/drivers/base/memory.c
+++ b/drivers/base/memory.c
@@ -469,8 +469,9 @@ store_soft_offline_page(struct device *dev,
        u64 pfn;
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
-       if (strict_strtoull(buf, 0, &pfn) < 0)
-               return -EINVAL;
+       ret = kstrtoull(buf, 0, &pfn);
+       if (ret < 0)
+               return ret;
        pfn >>= PAGE_SHIFT;
        if (!pfn_valid(pfn))
                return -ENXIO;
@@ -488,8 +489,9 @@ store_hard_offline_page(struct device *dev,
        u64 pfn;
        if (!capable(CAP_SYS_ADMIN))
                return -EPERM;
-       if (strict_strtoull(buf, 0, &pfn) < 0)
-               return -EINVAL;
+       ret = kstrtoull(buf, 0, &pfn);
+       if (ret < 0)
+               return ret;
        pfn >>= PAGE_SHIFT;
        ret = memory_failure(pfn, 0, 0);
        return ret ? ret : count;
diff --git a/drivers/base/power/sysfs.c b/drivers/base/power/sysfs.c
index a53ebd2..e0a3877 100644
--- a/drivers/base/power/sysfs.c
+++ b/drivers/base/power/sysfs.c
@@ -202,11 +202,16 @@ static ssize_t autosuspend_delay_ms_store(struct device 
*dev,
                struct device_attribute *attr, const char *buf, size_t n)
 {
        long delay;
+       int ret;
 
        if (!dev->power.use_autosuspend)
                return -EIO;
 
-       if (strict_strtol(buf, 10, &delay) != 0 || delay != (int) delay)
+       ret = kstrtol(buf, 10, &delay);
+       if (ret)
+               return ret;
+
+       if (delay != (int) delay)
                return -EINVAL;
 
        device_lock(dev);
diff --git a/drivers/base/regmap/regmap-debugfs.c 
b/drivers/base/regmap/regmap-debugfs.c
index 5349575..664a75e 100644
--- a/drivers/base/regmap/regmap-debugfs.c
+++ b/drivers/base/regmap/regmap-debugfs.c
@@ -281,8 +281,9 @@ static ssize_t regmap_map_write_file(struct file *file,
        reg = simple_strtoul(start, &start, 16);
        while (*start == ' ')
                start++;
-       if (strict_strtoul(start, 16, &value))
-               return -EINVAL;
+       ret = kstrtoul(start, 16, &value);
+       if (ret)
+               return ret;
 
        /* Userspace has been fiddling around behind the kernel's back */
        add_taint(TAINT_USER, LOCKDEP_STILL_OK);
-- 
1.7.10.4


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