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PR/48135 CVS commit: src/sys/kern

The following reply was made to PR kern/48135; it has been noted by GNATS.

From: "Juergen Hannken-Illjes" <>
Subject: PR/48135 CVS commit: src/sys/kern
Date: Fri, 30 Aug 2013 12:58:22 +0000

 Module Name:   src
 Committed By:  hannken
 Date:          Fri Aug 30 12:58:22 UTC 2013
 Modified Files:
        src/sys/kern: vfs_mount.c
 Log Message:
 Dounmount() violates the locking protocol for member v_mountedhere.
 A vnode lock is required to access or modify this field.
 Lock/unlock the vnode when clearing v_mountedhere.
 Reviewed by: David Holland <>
 Should fix PR #48135 (Bad locking for umount)
 To generate a diff of this commit:
 cvs rdiff -u -r1.19 -r1.20 src/sys/kern/vfs_mount.c
 Please note that diffs are not public domain; they are subject to the
 copyright notices on the relevant files.

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