1 files changed, 22 insertions, 12 deletions

diff --git a/fs/smb/client/smb2pdu.c b/fs/smb/client/smb2pdu.c
index 4f69a1825e42..4e28632b5fd6 100644
--- a/fs/smb/client/smb2pdu.c
+++ b/fs/smb/client/smb2pdu.c
@@ -43,6 +43,7 @@
 #endif
 #include "cached_dir.h"
 #include "compress.h"
+#include "fs_context.h"
 
 /*
  *  The following table defines the expected "StructureSize" of SMB2 requests
@@ -1251,15 +1252,8 @@ SMB2_negotiate(const unsigned int xid,
 			cifs_server_dbg(VFS, "Missing expected negotiate contexts\n");
 	}
 
-	if (server->cipher_type && !rc) {
-		if (!SERVER_IS_CHAN(server)) {
-			rc = smb3_crypto_aead_allocate(server);
-		} else {
-			/* For channels, just reuse the primary server crypto secmech. */
-			server->secmech.enc = server->primary_server->secmech.enc;
-			server->secmech.dec = server->primary_server->secmech.dec;
-		}
-	}
+	if (server->cipher_type && !rc)
+		rc = smb3_crypto_aead_allocate(server);
 neg_exit:
 	free_rsp_buf(resp_buftype, rsp);
 	return rc;
@@ -2927,6 +2921,7 @@ replay_again:
 		req->CreateContextsOffset = cpu_to_le32(
 			sizeof(struct smb2_create_req) +
 			iov[1].iov_len);
+		le32_add_cpu(&req->CreateContextsLength, iov[n_iov-1].iov_len);
 		pc_buf = iov[n_iov-1].iov_base;
 	}
 
@@ -2973,7 +2968,7 @@ replay_again:
 	/* Eventually save off posix specific response info and timestamps */
 
 err_free_rsp_buf:
-	free_rsp_buf(resp_buftype, rsp);
+	free_rsp_buf(resp_buftype, rsp_iov.iov_base);
 	kfree(pc_buf);
 err_free_req:
 	cifs_small_buf_release(req);
@@ -4089,6 +4084,20 @@ smb2_echo_callback(struct mid_q_entry *mid)
 	add_credits(server, &credits, CIFS_ECHO_OP);
 }
 
+static void cifs_renegotiate_iosize(struct TCP_Server_Info *server,
+				    struct cifs_tcon *tcon)
+{
+	struct cifs_sb_info *cifs_sb;
+
+	if (server == NULL || tcon == NULL)
+		return;
+
+	spin_lock(&tcon->sb_list_lock);
+	list_for_each_entry(cifs_sb, &tcon->cifs_sb_list, tcon_sb_link)
+		cifs_negotiate_iosize(server, cifs_sb->ctx, tcon);
+	spin_unlock(&tcon->sb_list_lock);
+}
+
 void smb2_reconnect_server(struct work_struct *work)
 {
 	struct TCP_Server_Info *server = container_of(work,
@@ -4174,9 +4183,10 @@ void smb2_reconnect_server(struct work_struct *work)
 
 	list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) {
 		rc = smb2_reconnect(SMB2_INTERNAL_CMD, tcon, server, true);
-		if (!rc)
+		if (!rc) {
+			cifs_renegotiate_iosize(server, tcon);
 			cifs_reopen_persistent_handles(tcon);
-		else
+		} else
 			resched = true;
 		list_del_init(&tcon->rlist);
 		if (tcon->ipc)