svn commit: r364685 - stable/12/sys/compat/linux

[Edward Tomasz Napierala]

Author: trasz
Date: Mon Aug 24 14:05:45 2020
New Revision: 364685
URL: https://svnweb.freebsd.org/changeset/base/364685

Log:
  MFC r354805:
  
  Make linux(4) open(2)/openat(2) return ELOOP instead of EMLINK,
  when being passed O_NOFOLLOW.  This fixes LTP testcase openat02:5.
  
  Sponsored by:	The FreeBSD Foundation

Modified:
  stable/12/sys/compat/linux/linux_file.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/compat/linux/linux_file.c
==============================================================================
--- stable/12/sys/compat/linux/linux_file.c	Mon Aug 24 14:04:59 2020	(r364684)
+++ stable/12/sys/compat/linux/linux_file.c	Mon Aug 24 14:05:45 2020	(r364685)
@@ -135,8 +135,11 @@ linux_common_open(struct thread *td, int dirfd, char *
 	/* XXX LINUX_O_NOATIME: unable to be easily implemented. */
 
 	error = kern_openat(td, dirfd, path, UIO_SYSSPACE, bsd_flags, mode);
-	if (error != 0)
+	if (error != 0) {
+		if (error == EMLINK)
+			error = ELOOP;
 		goto done;
+	}
 	if (bsd_flags & O_NOCTTY)
 		goto done;