1 files changed, 4 insertions, 3 deletions

diff --git a/fs/autofs4/waitq.c b/fs/autofs4/waitq.c
index 0146d911f468..631f1554c87b 100644
--- a/fs/autofs4/waitq.c
+++ b/fs/autofs4/waitq.c
@@ -66,11 +66,12 @@ static int autofs4_write(struct autofs_sb_info *sbi,
         set_fs(KERNEL_DS);
 
         mutex_lock(&sbi->pipe_mutex);
-        wr = __vfs_write(file, data, bytes, &file->f_pos);
-        while (bytes && wr) {
+        while (bytes) {
+                wr = __vfs_write(file, data, bytes, &file->f_pos);
+                if (wr <= 0)
+                        break;
                 data += wr;
                 bytes -= wr;
-                wr = __vfs_write(file, data, bytes, &file->f_pos);
         }
         mutex_unlock(&sbi->pipe_mutex);