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authorChuck Lever <chuck.lever@oracle.com>2012-09-17 14:09:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2012-09-17 15:00:38 -0700
commit35c448a8a3471b95ebc0ebcf91eb1183401b4274 (patch)
treebe99b30b7ad761c1bf77e8b6132a98b1959b3c5c /include
parent8ba00bb68a067c221cc3ea3a0293e8fcbdcb7ba1 (diff)
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include/net/sock.h: squelch compiler warning in sk_rmem_schedule()
This warning: In file included from linux/include/linux/tcp.h:227:0, from linux/include/linux/ipv6.h:221, from linux/include/net/ipv6.h:16, from linux/include/linux/sunrpc/clnt.h:26, from linux/net/sunrpc/stats.c:22: linux/include/net/sock.h: In function `sk_rmem_schedule': linux/nfs-2.6/include/net/sock.h:1339:13: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] is seen with gcc (GCC) 4.6.3 20120306 (Red Hat 4.6.3-2) using the -Wextra option. Commit c76562b6709f ("netvm: prevent a stream-specific deadlock") accidentally replaced the "size" parameter of sk_rmem_schedule() with an unsigned int. This changes the semantics of the comparison in the return statement. In sk_wmem_schedule we have syntactically the same comparison, but "size" is a signed integer. In addition, __sk_mem_schedule() takes a signed integer for its "size" parameter, so there is an implicit type conversion in sk_rmem_schedule() anyway. Revert the "size" parameter back to a signed integer so that the semantics of the expressions in both sk_[rw]mem_schedule() are exactly the same. Signed-off-by: Chuck Lever <chuck.lever@oracle.com> Signed-off-by: Mel Gorman <mgorman@suse.de> Cc: David Miller <davem@davemloft.net> Cc: Joonsoo Kim <js1304@gmail.com> Cc: David Rientjes <rientjes@google.com> Cc: Pekka Enberg <penberg@kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include')
-rw-r--r--include/net/sock.h2
1 files changed, 1 insertions, 1 deletions
diff --git a/include/net/sock.h b/include/net/sock.h
index 72132aef53f..adb7da20b5a 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1332,7 +1332,7 @@ static inline bool sk_wmem_schedule(struct sock *sk, int size)
}
static inline bool
-sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, unsigned int size)
+sk_rmem_schedule(struct sock *sk, struct sk_buff *skb, int size)
{
if (!sk_has_account(sk))
return true;