svn commit: r286633 - head/sys/compat/cloudabi

[Ed Schouten]

Author: ed
Date: Tue Aug 11 14:08:46 2015
New Revision: 286633
URL: https://svnweb.freebsd.org/changeset/base/286633

Log:
  Fall back to O_RDONLY -- not O_WRONLY.
  
  If CloudABI processes open files with a set of requested rights that do
  not match any of the privileges granted by O_RDONLY, O_WRONLY or O_RDWR,
  we'd better fall back to O_RDONLY -- not O_WRONLY.

Modified:
  head/sys/compat/cloudabi/cloudabi_file.c

Modified: head/sys/compat/cloudabi/cloudabi_file.c
==============================================================================
--- head/sys/compat/cloudabi/cloudabi_file.c	Tue Aug 11 14:07:04 2015	(r286632)
+++ head/sys/compat/cloudabi/cloudabi_file.c	Tue Aug 11 14:08:46 2015	(r286633)
@@ -224,7 +224,7 @@ cloudabi_sys_file_open(struct thread *td
 	write = (fds.fs_rights_base & (CLOUDABI_RIGHT_FD_DATASYNC |
 	    CLOUDABI_RIGHT_FD_WRITE | CLOUDABI_RIGHT_FILE_ALLOCATE |
 	    CLOUDABI_RIGHT_FILE_STAT_FPUT_SIZE)) != 0;
-	fflags = read ? write ? FREAD | FWRITE : FREAD : FWRITE;
+	fflags = write ? read ? FREAD | FWRITE : FWRITE : FREAD;
 
 	/* Convert open flags. */
 	if ((uap->oflags & CLOUDABI_O_CREAT) != 0) {