Date: Thu, 7 Feb 2002 21:58:41 -0800 (PST) From: Robert Watson <rwatson@FreeBSD.org> To: cvs-committers@FreeBSD.org, cvs-all@FreeBSD.org Subject: cvs commit: src/sys/kern vfs_syscalls.c Message-ID: <200202080558.g185wfl18189@freefall.freebsd.org>
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rwatson 2002/02/07 21:58:41 PST
Modified files:
sys/kern vfs_syscalls.c
Log:
o Merge various recent fixes from the MAC branch relating to extattrctl():
- Fix null-pointer dereference introduced when snapshotting
was introduced. This occured because unlike the previous code,
vn_start_write() doesn't always return a non-NULL mp, as
filesystems may not support the VOP_GETWRITEMOUNT() call. For
now, rely on two pointers, so that vn_finished_write() works
properly.
- Fix locking problems on exit, introduced at some past time,
some when snapshots came in, where a vnode might not be
unlocked before being vrele'd in various error situations.
Obtained from: TrustedBSD Project
Sponsored by: DARPA, NAI Labs
Revision Changes Path
1.222 +10 -6 src/sys/kern/vfs_syscalls.c
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