1 files changed, 5 insertions, 10 deletions

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 4d881c35eeca..f3264bd7a83d 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -1910,7 +1910,7 @@ cifs_writev_requeue(struct cifs_writedata *wdata)
 
         do {
                 server = tlink_tcon(wdata->cfile->tlink)->ses->server;
-                rc = server->ops->async_writev(wdata);
+                rc = server->ops->async_writev(wdata, cifs_writedata_release);
         } while (rc == -EAGAIN);
 
         for (i = 0; i < wdata->nr_pages; i++) {
@@ -1962,15 +1962,9 @@ cifs_writedata_alloc(unsigned int nr_pages, work_func_t complete)
 {
         struct cifs_writedata *wdata;
 
-        /* this would overflow */
-        if (nr_pages == 0) {
-                cifs_dbg(VFS, "%s: called with nr_pages == 0!\n", __func__);
-                return NULL;
-        }
-
         /* writedata + number of page pointers */
         wdata = kzalloc(sizeof(*wdata) +
-                        sizeof(struct page *) * (nr_pages - 1), GFP_NOFS);
+                        sizeof(struct page *) * nr_pages, GFP_NOFS);
         if (wdata != NULL) {
                 kref_init(&wdata->refcount);
                 INIT_LIST_HEAD(&wdata->list);
@@ -2031,7 +2025,8 @@ cifs_writev_callback(struct mid_q_entry *mid)
 
 /* cifs_async_writev - send an async write, and set up mid to handle result */
 int
-cifs_async_writev(struct cifs_writedata *wdata)
+cifs_async_writev(struct cifs_writedata *wdata,
+                  void (*release)(struct kref *kref))
 {
         int rc = -EACCES;
         WRITE_REQ *smb = NULL;
@@ -2105,7 +2100,7 @@ cifs_async_writev(struct cifs_writedata *wdata)
         if (rc == 0)
                 cifs_stats_inc(&tcon->stats.cifs_stats.num_writes);
         else
-                kref_put(&wdata->refcount, cifs_writedata_release);
+                kref_put(&wdata->refcount, release);
 
 async_writev_out:
         cifs_small_buf_release(smb);