From e4538d07e959194f6c6bf91ccd1920e18a95c0bc Mon Sep 17 00:00:00 2001
From: Paulo Alcantara <pc@cjr.nz>
Date: Tue, 4 Oct 2022 15:10:09 -0300
Subject: cifs: fix uninitialised var in smb2_compound_op()

commit 69ccafdd35cdffd72504bfed58dcaee5e73a88a7 upstream.

Fix uninitialised variable @idata when calling smb2_compound_op() with
SMB2_OP_POSIX_QUERY_INFO.

Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Paulo Alcantara (SUSE) <pc@cjr.nz>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
Cc: Guenter Roeck <linux@roeck-us.net>
Cc: Conor Dooley <conor@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---
 fs/cifs/smb2inode.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/cifs/smb2inode.c b/fs/cifs/smb2inode.c
index 7b14ece0d895..fc5776e7a782 100644
--- a/fs/cifs/smb2inode.c
+++ b/fs/cifs/smb2inode.c
@@ -415,6 +415,7 @@ static int smb2_compound_op(const unsigned int xid, struct cifs_tcon *tcon,
 						tcon->tid);
 		break;
 	case SMB2_OP_POSIX_QUERY_INFO:
+		idata = ptr;
 		if (rc == 0 && cfile && cfile->symlink_target) {
 			idata->symlink_target = kstrdup(cfile->symlink_target, GFP_KERNEL);
 			if (!idata->symlink_target)
-- 
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