[PATCH] selinux: Mark array 'labeling_behaviors' as __maybe_unused

From: Matthias Kaehlcke
Date: Thu May 18 2017 - 15:08:33 EST


The array is only referenced in an ARRAY_SIZE() statement. Adding the
attribute fixes the following warning when building with clang:

security/selinux/hooks.c:338:20: error: variable 'labeling_behaviors'
is not needed and will not be emitted
[-Werror,-Wunneeded-internal-declaration]

Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx>
---
security/selinux/hooks.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c
index e67a526d1f30..450ff9f3161c 100644
--- a/security/selinux/hooks.c
+++ b/security/selinux/hooks.c
@@ -400,7 +400,7 @@ static void superblock_free_security(struct super_block *sb)

/* The file system's label must be initialized prior to use. */

-static const char *labeling_behaviors[7] = {
+static const char * __maybe_unused labeling_behaviors[7] = {
"uses xattr",
"uses transition SIDs",
"uses task SIDs",
--
2.13.0.303.g4ebf302169-goog