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-rw-r--r--security/keys/proc.c21
1 files changed, 13 insertions, 8 deletions
diff --git a/security/keys/proc.c b/security/keys/proc.c
index 91343b85c39..c55cf1fd082 100644
--- a/security/keys/proc.c
+++ b/security/keys/proc.c
@@ -140,7 +140,7 @@ static int proc_keys_show(struct seq_file *m, void *v)
now = current_kernel_time();
- read_lock(&key->lock);
+ rcu_read_lock();
/* come up with a suitable timeout value */
if (key->expiry == 0) {
@@ -164,14 +164,17 @@ static int proc_keys_show(struct seq_file *m, void *v)
sprintf(xbuf, "%luw", timo / (60*60*24*7));
}
+#define showflag(KEY, LETTER, FLAG) \
+ (test_bit(FLAG, &(KEY)->flags) ? LETTER : '-')
+
seq_printf(m, "%08x %c%c%c%c%c%c %5d %4s %06x %5d %5d %-9.9s ",
key->serial,
- key->flags & KEY_FLAG_INSTANTIATED ? 'I' : '-',
- key->flags & KEY_FLAG_REVOKED ? 'R' : '-',
- key->flags & KEY_FLAG_DEAD ? 'D' : '-',
- key->flags & KEY_FLAG_IN_QUOTA ? 'Q' : '-',
- key->flags & KEY_FLAG_USER_CONSTRUCT ? 'U' : '-',
- key->flags & KEY_FLAG_NEGATIVE ? 'N' : '-',
+ showflag(key, 'I', KEY_FLAG_INSTANTIATED),
+ showflag(key, 'R', KEY_FLAG_REVOKED),
+ showflag(key, 'D', KEY_FLAG_DEAD),
+ showflag(key, 'Q', KEY_FLAG_IN_QUOTA),
+ showflag(key, 'U', KEY_FLAG_USER_CONSTRUCT),
+ showflag(key, 'N', KEY_FLAG_NEGATIVE),
atomic_read(&key->usage),
xbuf,
key->perm,
@@ -179,11 +182,13 @@ static int proc_keys_show(struct seq_file *m, void *v)
key->gid,
key->type->name);
+#undef showflag
+
if (key->type->describe)
key->type->describe(key, m);
seq_putc(m, '\n');
- read_unlock(&key->lock);
+ rcu_read_unlock();
return 0;