1 files changed, 3 insertions, 1 deletions

diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index a3f7a9c3cc69..860344701067 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -413,7 +413,9 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
 
         /* SMB2 only has an extended negflavor */
         server->negflavor = CIFS_NEGFLAVOR_EXTENDED;
-        server->maxBuf = le32_to_cpu(rsp->MaxTransactSize);
+        /* set it to the maximum buffer size value we can send with 1 credit */
+        server->maxBuf = min_t(unsigned int, le32_to_cpu(rsp->MaxTransactSize),
+                               SMB2_MAX_BUFFER_SIZE);
         server->max_read = le32_to_cpu(rsp->MaxReadSize);
         server->max_write = le32_to_cpu(rsp->MaxWriteSize);
         /* BB Do we need to validate the SecurityMode? */