From: Stephen Rothwell <sfr@canb.auug.org.au>
To: netdev@vger.kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>
Subject: [PATCH] af_key: suppress a warning for 64k pages.
Date: Wed, 31 Oct 2007 14:59:54 +1100 [thread overview]
Message-ID: <20071031145954.fe106f73.sfr@canb.auug.org.au> (raw)
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@canb.auug.org.au>
---
net/key/af_key.c | 3 +++
1 files changed, 3 insertions(+), 0 deletions(-)
--
Cheers,
Stephen Rothwell sfr@canb.auug.org.au
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
next reply other threads:[~2007-10-31 3:59 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-31 3:59 Stephen Rothwell [this message]
2007-10-31 4:08 ` [PATCH] af_key: suppress a warning for 64k pages David Miller
2007-10-31 4:34 ` Stephen Rothwell
2007-10-31 4:42 ` David Miller
2007-10-31 5:24 ` Stephen Rothwell
2007-10-31 6:58 ` David Miller
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