From: Ralph Boehme <slow@samba.org>
Date: Mon, 26 Oct 2020 13:39:02 +0000 (+0100)
Subject: smbd: check for pathref fd's in vfs_set_blocking()
X-Git-Tag: samba-4.14.0rc1~384
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=eb6bbb4f0163ce7805b3691236abfb87757ed997;p=thirdparty%2Fsamba.git

smbd: check for pathref fd's in vfs_set_blocking()

Don't try to set pathref fd's to non-blocking, they're not used with IO.

Signed-off-by: Ralph Boehme <slow@samba.org>
Reviewed-by: Jeremy Allison <jra@samba.org>
---

diff --git a/source3/smbd/vfs.c b/source3/smbd/vfs.c
index c972c97b7bc..3e30805b690 100644
--- a/source3/smbd/vfs.c
+++ b/source3/smbd/vfs.c
@@ -794,6 +794,11 @@ int vfs_set_blocking(files_struct *fsp, bool set)
 #define FLAG_TO_SET FNDELAY
 #endif
 #endif
+
+	if (fsp->fsp_flags.is_pathref) {
+		return 0;
+	}
+
 	val = SMB_VFS_FCNTL(fsp, F_GETFL, 0);
 	if (val == -1) {
 		return -1;