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
--- a/drivers/watchdog/bcm_kona_wdt.c
+++ b/drivers/watchdog/bcm_kona_wdt.c
@@ -99,12 +99,14 @@
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 @@
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 @@
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)