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

From: Stephen Rothwell
Date: Wed Oct 31 2007 - 00:00:08 EST


On PowerPC allmodconfig build we get this:

net/key/af_key.c:400: warning: comparison is always false due to limited range of data type

Signed-off-by: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
---
net/key/af_key.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)

--
Cheers,
Stephen Rothwell sfr@xxxxxxxxxxxxxxxx

diff --git a/net/key/af_key.c b/net/key/af_key.c
index 7969f8a..7da6c1a 100644
--- a/net/key/af_key.c
+++ b/net/key/af_key.c
@@ -397,8 +397,11 @@ static inline int verify_sec_ctx_len(void *p)
struct sadb_x_sec_ctx *sec_ctx = (struct sadb_x_sec_ctx *)p;
int len;

+ /* sadb_x_ctx_len is uint16_t */
+#if PAGE_SIZE < (1 << 16)
if (sec_ctx->sadb_x_ctx_len > PAGE_SIZE)
return -EINVAL;
+#endif

len = pfkey_sec_ctx_len(sec_ctx);

--
1.5.3.4

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