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-rw-r--r--fs/cifs/sess.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/cifs/sess.c b/fs/cifs/sess.c
index d3e619692ee..243d5872051 100644
--- a/fs/cifs/sess.c
+++ b/fs/cifs/sess.c
@@ -124,7 +124,8 @@ static __u32 cifs_ssetup_hdr(struct cifs_ses *ses, SESSION_SETUP_ANDX *pSMB)
/* that we use in next few lines */
/* Note that header is initialized to zero in header_assemble */
pSMB->req.AndXCommand = 0xFF;
- pSMB->req.MaxBufferSize = cpu_to_le16(ses->server->maxBuf);
+ pSMB->req.MaxBufferSize = cpu_to_le16(min_t(u32, CIFSMaxBufSize - 4,
+ USHRT_MAX));
pSMB->req.MaxMpxCount = cpu_to_le16(ses->server->maxReq);
pSMB->req.VcNumber = get_next_vcnum(ses);