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-rw-r--r--fs/proc/base.c9
1 files changed, 4 insertions, 5 deletions
diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5d93512beea1..c1fdaecb8d23 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1360,7 +1360,8 @@ static ssize_t proc_fail_nth_write(struct file *file, const char __user *buf,
size_t count, loff_t *ppos)
{
struct task_struct *task;
- int err, n;
+ int err;
+ unsigned int n;
task = get_proc_task(file_inode(file));
if (!task)
@@ -1368,12 +1369,10 @@ static ssize_t proc_fail_nth_write(struct file *file, const char __user *buf,
put_task_struct(task);
if (task != current)
return -EPERM;
- err = kstrtoint_from_user(buf, count, 0, &n);
+ err = kstrtouint_from_user(buf, count, 0, &n);
if (err)
return err;
- if (n < 0 || n == INT_MAX)
- return -EINVAL;
- current->fail_nth = n + 1;
+ current->fail_nth = n;
return count;
}