[PATCH 09/16] qga: use qemu_open_cloexec() for safe_open_or_create()

marcandre.lureau@redhat.com posted 16 patches 3 years, 9 months ago
Maintainers: Markus Armbruster <armbru@redhat.com>, Michael Roth <michael.roth@amd.com>, Kevin Wolf <kwolf@redhat.com>, Hanna Reitz <hreitz@redhat.com>, Konstantin Kostiuk <kkostiuk@redhat.com>, Alexander Bulekov <alxndr@bu.edu>, Paolo Bonzini <pbonzini@redhat.com>, Bandan Das <bsd@redhat.com>, Stefan Hajnoczi <stefanha@redhat.com>, Thomas Huth <thuth@redhat.com>, Darren Kenny <darren.kenny@oracle.com>, Qiuhao Li <Qiuhao.Li@outlook.com>, Laurent Vivier <lvivier@redhat.com>, Stefan Weil <sw@weilnetz.de>
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[PATCH 09/16] qga: use qemu_open_cloexec() for safe_open_or_create()
Posted by marcandre.lureau@redhat.com 3 years, 9 months ago
From: Marc-André Lureau <marcandre.lureau@redhat.com>

The function takes care of setting CLOEXEC, and reporting error.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
---
 qga/commands-posix.c | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/qga/commands-posix.c b/qga/commands-posix.c
index 98d481a58485..974bcbee7e97 100644
--- a/qga/commands-posix.c
+++ b/qga/commands-posix.c
@@ -370,21 +370,16 @@ safe_open_or_create(const char *path, const char *mode, Error **errp)
      * open() is decisive and its third argument is ignored, and the second
      * open() and the fchmod() are never called.
      */
-    fd = open(path, oflag | ((oflag & O_CREAT) ? O_EXCL : 0), 0);
+    fd = qemu_open_cloexec(path, oflag | ((oflag & O_CREAT) ? O_EXCL : 0), 0, errp);
     if (fd == -1 && errno == EEXIST) {
+        g_clear_pointer(errp, error_free);
         oflag &= ~(unsigned)O_CREAT;
-        fd = open(path, oflag);
+        fd = qemu_open_cloexec(path, oflag, 0, errp);
     }
     if (fd == -1) {
-        error_setg_errno(errp, errno,
-                         "failed to open file '%s' "
-                         "(mode: '%s')",
-                         path, mode);
         goto end;
     }
 
-    qemu_set_cloexec(fd);
-
     if ((oflag & O_CREAT) && fchmod(fd, DEFAULT_NEW_FILE_MODE) == -1) {
         error_setg_errno(errp, errno,
                          "failed to set permission "
-- 
2.36.0.44.g0f828332d5ac