File _service:obs_scm:add-check-for-device-number-in... of Package libdb

File _service:obs_scm:add-check-for-device-number-in-__check_lock_fn.patch of Package libdb

From ad2bb7182132f6d15c207a8c0d37d24e241eb468 Mon Sep 17 00:00:00 2001
From: hanxinke <hanxinke@huawei.com>
Date: Fri, 11 Feb 2022 11:08:18 +0800
Subject: [PATCH] add check for device number in __check_lock_fn

When a file with the same inode as the inode of /var/lib/rpm/.rpm.lock
exists on another partition, package updates will also execute correctly
because of check for device.

---
 src/os/os_flock.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/os/os_flock.c b/src/os/os_flock.c
index 03aa3df..482dffa 100644
--- a/src/os/os_flock.c
+++ b/src/os/os_flock.c
@@ -10,6 +10,8 @@
 
 #include "db_int.h"
 
+#include <linux/kdev_t.h>
+
 #if !defined(HAVE_FCNTL) || !defined(HAVE_FLOCK)
 static int __os_filelocking_notsup __P((ENV *));
 #endif
@@ -34,6 +36,7 @@ int __check_lock_fn(fn, pid)
     int i, inode;
     struct stat st;
     pid_t lpid = 0;
+    int f_major, f_minor, l_major, l_minor;
 
     if (!fn)
        return -1;
@@ -59,10 +62,16 @@ int __check_lock_fn(fn, pid)
             /* Check the inode */
             else if (i == 5) {
                 inode = 0;
-                sscanf(token, "%*02x:%*02x:%d", &inode);
+                sscanf(token, "%02x:%02x:%d", &l_major, &l_minor, &inode);
                 /* Not the inode we are looking for */
                 if (inode != st.st_ino)
                     continue;
+
+                f_major = MAJOR(st.st_dev);
+                f_minor = MINOR(st.st_dev);
+                if ((f_major != l_major) || (f_minor != l_minor))
+                    continue;
+
                 /*
                  * We have the correct file.
                  * We are either looking for a specific process or we do not care at all.
-- 
2.23.0