watchdog: bcm281xx: Remove use of seq_printf return value

The seq_printf return value, because it's frequently misused,
will eventually be converted to void.

See: commit 1f33c41c03da ("seq_file: Rename seq_overflow() to
     seq_has_overflowed() and make public")

Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: Guenter Roeck <linux~roeck-us.net>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>

diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c
index 4e37db3..22d8ae6 100644 (file)
--- a/drivers/watchdog/bcm_kona_wdt.c
+++ b/drivers/watchdog/bcm_kona_wdt.c
@@ -99,12 +99,14 @@ static int secure_register_read(struct bcm_kona_wdt *wdt, uint32_t offset)
 
 static int bcm_kona_wdt_dbg_show(struct seq_file *s, void *data)
 {
-       int ctl_val, cur_val, ret;
+       int ctl_val, cur_val;
        unsigned long flags;
        struct bcm_kona_wdt *wdt = s->private;
 
-       if (!wdt)
-               return seq_puts(s, "No device pointer\n");
+       if (!wdt) {
+               seq_puts(s, "No device pointer\n");
+               return 0;
+       }
 
        spin_lock_irqsave(&wdt->lock, flags);
        ctl_val = secure_register_read(wdt, SECWDOG_CTRL_REG);
@@ -112,7 +114,7 @@ static int bcm_kona_wdt_dbg_show(struct seq_file *s, void *data)
        spin_unlock_irqrestore(&wdt->lock, flags);
 
        if (ctl_val < 0 || cur_val < 0) {
-               ret = seq_puts(s, "Error accessing hardware\n");
+               seq_puts(s, "Error accessing hardware\n");
        } else {
                int ctl, cur, ctl_sec, cur_sec, res;
 
@@ -121,15 +123,18 @@ static int bcm_kona_wdt_dbg_show(struct seq_file *s, void *data)
                cur = cur_val & SECWDOG_COUNT_MASK;
                ctl_sec = TICKS_TO_SECS(ctl, wdt);
                cur_sec = TICKS_TO_SECS(cur, wdt);
-               ret = seq_printf(s, "Resolution: %d / %d\n"
-                               "Control: %d s / %d (%#x) ticks\n"
-                               "Current: %d s / %d (%#x) ticks\n"
-                               "Busy count: %lu\n", res,
-                               wdt->resolution, ctl_sec, ctl, ctl, cur_sec,
-                               cur, cur, wdt->busy_count);
+               seq_printf(s,
+                          "Resolution: %d / %d\n"
+                          "Control: %d s / %d (%#x) ticks\n"
+                          "Current: %d s / %d (%#x) ticks\n"
+                          "Busy count: %lu\n",
+                          res, wdt->resolution,
+                          ctl_sec, ctl, ctl,
+                          cur_sec, cur, cur,
+                          wdt->busy_count);
        }
 
-       return ret;
+       return 0;
 }
 
 static int bcm_kona_dbg_open(struct inode *inode, struct file *file)