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[dm-devel] [patch 2/3] md: dm-log: fix cn_ulog_callback declaration

From: Jiri Slaby <jirislaby gmail com>

The third parameter of cn_add_callback accepts functions with void
*()(struct cn_msg *) prototype.  Change cn_ulog_callback to match it by
removing void * and adding struct cn_msg * directly.

It's introduced by commit:
connector: make callback argument type explicit

Signed-off-by: Jiri Slaby <jirislaby gmail com>
Cc: Mike Frysinger <vapier gentoo org>
Cc: David S. Miller <davem davemloft net>
Cc: Alasdair G Kergon <agk redhat com>
Signed-off-by: Andrew Morton <akpm linux-foundation org>

 drivers/md/dm-log-userspace-transfer.c |    3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff -puN drivers/md/dm-log-userspace-transfer.c~md-dm-log-fix-cn_ulog_callback-declaration drivers/md/dm-log-userspace-transfer.c
--- a/drivers/md/dm-log-userspace-transfer.c~md-dm-log-fix-cn_ulog_callback-declaration
+++ a/drivers/md/dm-log-userspace-transfer.c
@@ -129,9 +129,8 @@ static int fill_pkg(struct cn_msg *msg, 
  * This is the connector callback that delivers data
  * that was sent from userspace.
-static void cn_ulog_callback(void *data)
+static void cn_ulog_callback(struct cn_msg *msg)
-	struct cn_msg *msg = (struct cn_msg *)data;
 	struct dm_ulog_request *tfr = (struct dm_ulog_request *)(msg + 1);

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