xpc_sn2: fix max() warning about pointers of different types

Fix a minor compile warning when building on ia64.

drivers/misc/sgi-xp/xpc_sn2.c: In function `xpc_clear_remote_msgqueue_flags_sn2':
drivers/misc/sgi-xp/xpc_sn2.c:1746: warning: comparison of distinct pointer types lacks a cast

Signed-off-by: Robin Holt <holt@sgi.com>
Cc: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

diff --git a/drivers/misc/sgi-xp/xpc_sn2.c b/drivers/misc/sgi-xp/xpc_sn2.c
index a760dd0..eaaa964 100644 (file)
--- a/drivers/misc/sgi-xp/xpc_sn2.c
+++ b/drivers/misc/sgi-xp/xpc_sn2.c
@@ -1744,20 +1744,20 @@ xpc_clear_remote_msgqueue_flags_sn2(struct xpc_channel *ch)
 {
        struct xpc_channel_sn2 *ch_sn2 = &ch->sn.sn2;
        struct xpc_msg_sn2 *msg;
-       s64 put;
+       s64 put, remote_nentries = ch->remote_nentries;
 
        /* flags are zeroed when the buffer is allocated */
-       if (ch_sn2->remote_GP.put < ch->remote_nentries)
+       if (ch_sn2->remote_GP.put < remote_nentries)
                return;
 
-       put = max(ch_sn2->w_remote_GP.put, ch->remote_nentries);
+       put = max(ch_sn2->w_remote_GP.put, remote_nentries);
        do {
                msg = (struct xpc_msg_sn2 *)((u64)ch_sn2->remote_msgqueue +
-                                            (put % ch->remote_nentries) *
+                                            (put % remote_nentries) *
                                             ch->entry_size);
                DBUG_ON(!(msg->flags & XPC_M_SN2_READY));
                DBUG_ON(!(msg->flags & XPC_M_SN2_DONE));
-               DBUG_ON(msg->number != put - ch->remote_nentries);
+               DBUG_ON(msg->number != put - remote_nentries);
                msg->flags = 0;
        } while (++put < ch_sn2->remote_GP.put);
 }