[PATCH -mm] fault-inject: don't convert unsigned type value as signed int

[Akinobu Mita]

This fixes fault-inject-simplify-access-check-for-fail-nth.patch in -mm
tree which by mistake partially reverts the change by fault-inject-
parse-as-natural-1-based-value-for-fail-nth-write-interface.patch.

Cc: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Reported-by: Dmitry Vyukov <dvyukov@xxxxxxxxxx>
Signed-off-by: Akinobu Mita <akinobu.mita@xxxxxxxxx>
---
 fs/proc/base.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/base.c b/fs/proc/base.c
index ea1039d..1f5139e 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1366,7 +1366,7 @@ static ssize_t proc_fail_nth_write(struct file *file, const char __user *buf,
 	int err;
 	unsigned int n;
 
-	err = kstrtoint_from_user(buf, count, 0, &n);
+	err = kstrtouint_from_user(buf, count, 0, &n);
 	if (err)
 		return err;
 
-- 
2.7.4