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authorNick Piggin2010-08-18 04:37:35 +1000
committerAl Viro2010-08-18 08:35:47 -0400
commitee2ffa0dfdd2db19705f2ba1c6a4c0bfe8122dd8 (patch)
treee48400d1a33f8d2e68589ccfd61637aa64462f08 /security/selinux
parentb04f784e5d19ed58892833dae845738972cea260 (diff)
fs: cleanup files_lock locking
fs: cleanup files_lock locking Lock tty_files with a new spinlock, tty_files_lock; provide helpers to manipulate the per-sb files list; unexport the files_lock spinlock. Cc: linux-kernel@vger.kernel.org Cc: Christoph Hellwig <hch@infradead.org> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Acked-by: Andi Kleen <ak@linux.intel.com> Acked-by: Greg Kroah-Hartman <gregkh@suse.de> Signed-off-by: Nick Piggin <npiggin@kernel.dk> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security/selinux')
-rw-r--r--security/selinux/hooks.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index 42043f96e54f..bd7da0f0ccf3 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -2170,7 +2170,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
tty = get_current_tty();
if (tty) {
- file_list_lock();
+ spin_lock(&tty_files_lock);
if (!list_empty(&tty->tty_files)) {
struct inode *inode;
@@ -2186,7 +2186,7 @@ static inline void flush_unauthorized_files(const struct cred *cred,
drop_tty = 1;
}
}
- file_list_unlock();
+ spin_unlock(&tty_files_lock);
tty_kref_put(tty);
}
/* Reset controlling tty. */