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watchdog: bcm281xx: Remove use of seq_printf return value

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

See: commit 1f33c41c03 ("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>
This commit is contained in:
Joe Perches 2015-02-21 18:53:48 -08:00 committed by Wim Van Sebroeck
parent db4fd9c5d0
commit e1dbde2960
1 changed files with 16 additions and 11 deletions
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27
drivers/watchdog/bcm_kona_wdt.c
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@ -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)