Changeset 82171 in vbox for trunk/src/VBox/Additions/linux/sharedfolders

Timestamp:

Nov 25, 2019 12:30:05 PM (5 years ago)

Author:

vboxsync

svn:sync-xref-src-repo-rev:

134981

Message:

linux/vboxsf: Clarification. bugref:9172

File:

• trunk/src/VBox/Additions/linux/sharedfolders/vfsmod.c (modified) (1 diff)

trunk/src/VBox/Additions/linux/sharedfolders/vfsmod.c

@@ -439 +439 @@
 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2, 6, 24) && LINUX_VERSION_CODE <= KERNEL_VERSION(4, 12, 0)
     bdi_destroy(&pSuperInfo->bdi);    /* includes bdi_unregister() */
+
+    /* Paranoia: Make sb->s_bdi not point at pSuperInfo->bdi, in case someone
+                 trouches it after this point (we may screw up something).  */
 # if LINUX_VERSION_CODE >= KERNEL_VERSION(4, 0, 0) && LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0)
     sb->s_bdi = pSuperInfo->bdi_org; /* (noop_backing_dev_info is not exported) */