[PATCH] selinux: suppress a warning for 64k pages.

On PowerPC allmodconfig build we get this:

security/selinux/xfrm.c:214: warning: comparison is always false due to limited range of data type

Signed-off-by: Stephen Rothwell <[email protected]>
---
 security/selinux/xfrm.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

-- 
Cheers,
Stephen Rothwell                    [email protected]

diff --git a/security/selinux/xfrm.c b/security/selinux/xfrm.c
index 36a191e..602beb0 100644
--- a/security/selinux/xfrm.c
+++ b/security/selinux/xfrm.c
@@ -211,8 +211,11 @@ static int selinux_xfrm_sec_ctx_alloc(struct xfrm_sec_ctx **ctxp,
 	if (uctx->ctx_doi != XFRM_SC_ALG_SELINUX)
 		return -EINVAL;
 
+	/* ctx_len is __u16 */
+#if PAGE_SIZE < (1 << 16)
 	if (uctx->ctx_len >= PAGE_SIZE)
 		return -ENOMEM;
+#endif
 
 	*ctxp = ctx = kmalloc(sizeof(*ctx) +
 			      uctx->ctx_len + 1,
-- 
1.5.3.4

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