use_smack() is called very early via mkdir_p_label(). This happens
before /sys is mounted and hence before the authoritative information
about smack is even available. To prevent caching of the invalid value
check whether /sys/fs exists.
---
src/shared/smack-util.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/src/shared/smack-util.c b/src/shared/smack-util.c
index df194e0..96f365c 100644
--- a/src/shared/smack-util.c
+++ b/src/shared/smack-util.c
@@ -33,6 +33,9 @@ bool use_smack(void) {
#ifdef HAVE_SMACK
static int use_smack_cached = -1;
+ if (use_smack_cached < 0 && access("/sys/fs/", F_OK) < 0)
+ return false;
+
if (use_smack_cached < 0)
use_smack_cached = access("/sys/fs/smackfs/", F_OK) >= 0;
--
1.7.9.5
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