cam: unsign some types to match their definitions and avoid overflows.

numpatterns is u_int.

ctl:
CTL_NUM_MODE_PAGES comes from sizeof().
In struct:ctl_scsiio, kern_sg_entries is uint32_t.

MFC after:	2 weeks

2 files changed, 10 insertions, 10 deletions

diff --git a/sys/cam/cam_xpt.c b/sys/cam/cam_xpt.c
index b426857..d22eda2 100644
--- a/sys/cam/cam_xpt.c
+++ b/sys/cam/cam_xpt.c
@@ -1182,7 +1182,7 @@ xptbusmatch(struct dev_match_pattern *patterns, u_int num_patterns,
 	    struct cam_eb *bus)
 {
 	dev_match_ret retval;
-	int i;
+	u_int i;
 
 	retval = DM_RET_NONE;
 
@@ -1294,7 +1294,7 @@ xptdevicematch(struct dev_match_pattern *patterns, u_int num_patterns,
 	       struct cam_ed *device)
 {
 	dev_match_ret retval;
-	int i;
+	u_int i;
 
 	retval = DM_RET_NONE;
 
@@ -1417,7 +1417,7 @@ xptperiphmatch(struct dev_match_pattern *patterns, u_int num_patterns,
 	       struct cam_periph *periph)
 {
 	dev_match_ret retval;
-	int i;
+	u_int i;
 
 	/*
 	 * If we aren't given something to match against, that's an error.
diff --git a/sys/cam/ctl/ctl.c b/sys/cam/ctl/ctl.c
index bc94d43..d6331b9 100644
--- a/sys/cam/ctl/ctl.c
+++ b/sys/cam/ctl/ctl.c
@@ -916,7 +916,7 @@ ctl_isc_announce_mode(struct ctl_lun *lun, uint32_t initidx,
 {
 	struct ctl_softc *softc = lun->ctl_softc;
 	union ctl_ha_msg msg;
-	int i;
+	u_int i;
 
 	if (softc->ha_link != CTL_HA_LINK_ONLINE)
 		return;
@@ -1284,7 +1284,7 @@ static void
 ctl_isc_mode_sync(struct ctl_softc *softc, union ctl_ha_msg *msg, int len)
 {
 	struct ctl_lun *lun;
-	int i;
+	u_int i;
 	uint32_t initidx, targ_lun;
 
 	targ_lun = msg->hdr.nexus.targ_mapped_lun;
@@ -6405,7 +6405,7 @@ ctl_mode_sense(struct ctl_scsiio *ctsio)
 	 */
 	switch (page_code) {
 	case SMS_ALL_PAGES_PAGE: {
-		int i;
+		u_int i;
 
 		page_len = 0;
 
@@ -6457,7 +6457,7 @@ ctl_mode_sense(struct ctl_scsiio *ctsio)
 		break;
 	}
 	default: {
-		int i;
+		u_int i;
 
 		page_len = 0;
 
@@ -12775,7 +12775,7 @@ static void
 ctl_datamove_remote_write_cb(struct ctl_ha_dt_req *rq)
 {
 	union ctl_io *io;
-	int i;
+	uint32_t i;
 
 	io = rq->context;
 
@@ -12853,7 +12853,7 @@ ctl_datamove_remote_dm_read_cb(union ctl_io *io)
 	char path_str[64];
 	struct sbuf sb;
 #endif
-	int i;
+	uint32_t i;
 
 	for (i = 0; i < io->scsiio.kern_sg_entries; i++)
 		free(io->io_hdr.local_sglist[i].addr, M_CTL);
@@ -13094,7 +13094,7 @@ static void
 ctl_datamove_remote_read(union ctl_io *io)
 {
 	int retval;
-	int i;
+	uint32_t i;
 
 	/*
 	 * This will send an error to the other controller in the case of a