4 files changed, 5 insertions, 5 deletions

diff --git a/drivers/char/dsp56k.c b/drivers/char/dsp56k.c
index acbfe1c49b4d..a69c65283260 100644
--- a/drivers/char/dsp56k.c
+++ b/drivers/char/dsp56k.c
@@ -136,7 +136,7 @@ static int sizeof_bootstrap = 375;
 
 
 static struct dsp56k_device {
-        long in_use;
+        unsigned long in_use;
         long maxio, timeout;
         int tx_wsize, rx_wsize;
 } dsp56k;
diff --git a/drivers/char/rio/host.h b/drivers/char/rio/host.h
index 23d0681fe491..78f24540c224 100644
--- a/drivers/char/rio/host.h
+++ b/drivers/char/rio/host.h
@@ -99,7 +99,7 @@ struct Host {
         struct UnixRup UnixRups[MAX_RUP + LINKS_PER_UNIT];
         int timeout_id;                         /* For calling 100 ms delays */
         int timeout_sem;                        /* For calling 100 ms delays */
-        long locks;                             /* long req'd for set_bit --RR */
+        unsigned long locks;                    /* long req'd for set_bit --RR */
         char ____end_marker____;
 };
 #define Control      CardP->DpControl
diff --git a/drivers/char/riscom8.h b/drivers/char/riscom8.h
index 6317aade201a..9cc1313d5e67 100644
--- a/drivers/char/riscom8.h
+++ b/drivers/char/riscom8.h
@@ -71,7 +71,7 @@ struct riscom_port {
         struct tty_struct       * tty;
         int                     count;
         int                     blocked_open;
-        long                    event; /* long req'd for set_bit --RR */
+        unsigned long           event; /* long req'd for set_bit --RR */
         int                     timeout;
         int                     close_delay;
         unsigned char           * xmit_buf;
diff --git a/drivers/char/sx.h b/drivers/char/sx.h
index 432aad0a2ddd..70d9783c7323 100644
--- a/drivers/char/sx.h
+++ b/drivers/char/sx.h
@@ -27,7 +27,7 @@ struct sx_port {
   int                     c_dcd;
   struct sx_board         *board;
   int                     line;
-  long                    locks;
+  unsigned long           locks;
 };
 
 struct sx_board {
@@ -45,7 +45,7 @@ struct sx_board {
   int poll;
   int ta_type;
   struct timer_list       timer;
-  long                    locks;
+  unsigned long           locks;
 };
 
 struct vpd_prom {