patches/old/mm-convert-sysfs-input-to-bool-using-kstrtobool-fix.patch

From: Andrew Morton <akpm@linux-foundation.org>
Subject: mm-convert-sysfs-input-to-bool-using-kstrtobool-fix

propagate kstrtobool() return value, per Andy

Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Dave Hansen <dave.hansen@intel.com>
Cc: "Huang, Ying" <ying.huang@intel.com>
Cc: Jagdish Gediya <jvgediya@linux.ibm.com>
Cc: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Cc: Matthew Wilcox (Oracle) <willy@infradead.org>
Cc: Petr Mladek <pmladek@suse.com>
Cc: Richard Fitzgerald <rf@opensource.cirrus.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 mm/migrate.c    |    7 +++++--
 mm/swap_state.c |    7 +++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

--- a/mm/migrate.c~mm-convert-sysfs-input-to-bool-using-kstrtobool-fix
+++ a/mm/migrate.c
@@ -2523,8 +2523,11 @@ static ssize_t numa_demotion_enabled_sto
 					   struct kobj_attribute *attr,
 					   const char *buf, size_t count)
 {
-	if (kstrtobool(buf, &numa_demotion_enabled))
-		return -EINVAL;
+	ssize_t ret;
+
+	ret = kstrtobool(buf, &numa_demotion_enabled);
+	if (ret)
+		return ret;
 
 	return count;
 }
--- a/mm/swap_state.c~mm-convert-sysfs-input-to-bool-using-kstrtobool-fix
+++ a/mm/swap_state.c
@@ -874,8 +874,11 @@ static ssize_t vma_ra_enabled_store(stru
 				      struct kobj_attribute *attr,
 				      const char *buf, size_t count)
 {
-	if (kstrtobool(buf, &enable_vma_readahead))
-		return -EINVAL;
+	ssize_t ret;
+
+	ret = kstrtobool(buf, &enable_vma_readahead);
+	if (ret)
+		return ret;
 
 	return count;
 }
_