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authorNeilBrown <neilb@suse.de>2006-10-04 11:15:44 +0200
committerLinus Torvalds <torvalds@g5.osdl.org>2006-10-04 16:55:15 +0200
commitcda9e0cd8a6b30ccc32edced066c378fbd87003d (patch)
treea91bd1c12b1ddf355142f5a31c0caf487e0dffc8
parent[PATCH] knfsd: call lockd_down when closing a socket via a write to nfsd/port... (diff)
downloadlinux-cda9e0cd8a6b30ccc32edced066c378fbd87003d.tar.xz
linux-cda9e0cd8a6b30ccc32edced066c378fbd87003d.zip
[PATCH] knfsd: Protect update to sn_nrthreads with lock_kernel
Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
-rw-r--r--fs/nfsd/nfsctl.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/nfsd/nfsctl.c b/fs/nfsd/nfsctl.c
index 83997282fc1a..f85472dda463 100644
--- a/fs/nfsd/nfsctl.c
+++ b/fs/nfsd/nfsctl.c
@@ -532,7 +532,9 @@ static ssize_t write_ports(struct file *file, char *buf, size_t size)
/* Decrease the count, but don't shutdown the
* the service
*/
+ lock_kernel();
nfsd_serv->sv_nrthreads--;
+ unlock_kernel();
}
return err;
}