smb3: fix creating FIFOs when mounting with "sfu" mount option

[platform/kernel/linux-starfive.git] / fs / smb / client / smb2ops.c

diff --git a/fs/smb/client/smb2ops.c b/fs/smb/client/smb2ops.c
index efff713..2c18988 100644 (file)
--- a/fs/smb/client/smb2ops.c
+++ b/fs/smb/client/smb2ops.c
@@ -5215,7 +5215,7 @@ smb2_make_node(unsigned int xid, struct inode *inode,
         * over SMB2/SMB3 and Samba will do this with SMB3.1.1 POSIX Extensions
         */
 
-       if (!S_ISCHR(mode) && !S_ISBLK(mode))
+       if (!S_ISCHR(mode) && !S_ISBLK(mode) && !S_ISFIFO(mode))
                return rc;
 
        cifs_dbg(FYI, "sfu compat create special file\n");
@@ -5263,6 +5263,12 @@ smb2_make_node(unsigned int xid, struct inode *inode,
                pdev->minor = cpu_to_le64(MINOR(dev));
                rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
                                                        &bytes_written, iov, 1);
+       } else if (S_ISFIFO(mode)) {
+               memcpy(pdev->type, "LnxFIFO", 8);
+               pdev->major = 0;
+               pdev->minor = 0;
+               rc = tcon->ses->server->ops->sync_write(xid, &fid, &io_parms,
+                                                       &bytes_written, iov, 1);
        }
        tcon->ses->server->ops->close(xid, tcon, &fid);
        d_drop(dentry);