[CIFS] Avoid extra large buffer allocation (and memcpy) in cifs_readpages

Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/fs/cifs/inode.c b/fs/cifs/inode.c
index d1e995757436..f65310cc60a1 100644
--- a/fs/cifs/inode.c
+++ b/fs/cifs/inode.c
@@ -229,11 +229,12 @@ static int decode_sfu_inode(struct inode * inode, __u64 size,
                          cifs_sb->mnt_cifs_flags &
                                 CIFS_MOUNT_MAP_SPECIAL_CHR);
         if (rc==0) {
+                int buf_type = CIFS_NO_BUFFER;
                         /* Read header */
                 rc = CIFSSMBRead(xid, pTcon,
                                  netfid,
                                  24 /* length */, 0 /* offset */,
-                                 &bytes_read, &pbuf);
+                                 &bytes_read, &pbuf, &buf_type);
                 if((rc == 0) && (bytes_read >= 8)) {
                         if(memcmp("IntxBLK", pbuf, 8) == 0) {
                                 cFYI(1,("Block device"));
@@ -267,7 +268,7 @@ static int decode_sfu_inode(struct inode * inode, __u64 size,
                 } else {
                         inode->i_mode |= S_IFREG; /* then it is a file */
                         rc = -EOPNOTSUPP; /* or some unknown SFU type */        
-                }
+                }               
                 CIFSSMBClose(xid, pTcon, netfid);
         }
         return rc;