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-rw-r--r--fs/proc/base.c11
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 = {