1 files changed, 5 insertions, 6 deletions

diff --git a/fs/proc/base.c b/fs/proc/base.c
index 5bc587049b37..837469a96598 100644
--- a/fs/proc/base.c
+++ b/fs/proc/base.c
@@ -1187,17 +1187,16 @@ static ssize_t proc_fault_inject_write(struct file * file,
                 count = sizeof(buffer) - 1;
         if (copy_from_user(buffer, buf, count))
                 return -EFAULT;
-        make_it_fail = simple_strtol(buffer, &end, 0);
-        if (*end == '\n')
-                end++;
+        make_it_fail = simple_strtol(strstrip(buffer), &end, 0);
+        if (*end)
+                return -EINVAL;
         task = get_proc_task(file->f_dentry->d_inode);
         if (!task)
                 return -ESRCH;
         task->make_it_fail = make_it_fail;
         put_task_struct(task);
-        if (end - buffer == 0)
-                return -EIO;
-        return end - buffer;
+
+        return count;
 }
 
 static const struct file_operations proc_fault_inject_operations = {