diff options
| author | Joe Perches <joe@perches.com> | 2015-02-21 18:53:48 -0800 |
|---|---|---|
| committer | Wim Van Sebroeck <wim@iguana.be> | 2015-04-22 15:27:39 +0200 |
| commit | e1dbde29609a4f829589f0e48361470327ae3f62 (patch) | |
| tree | a2e7d267b2dba3776f8a52a43a93627d8ba70018 /drivers/watchdog/bcm_kona_wdt.c | |
| parent | db4fd9c5d072a20ea6b7e40276a9822e04732610 (diff) | |
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>
Diffstat (limited to 'drivers/watchdog/bcm_kona_wdt.c')
| -rw-r--r-- | drivers/watchdog/bcm_kona_wdt.c | 27 |
1 files changed, 16 insertions, 11 deletions
diff --git a/drivers/watchdog/bcm_kona_wdt.c b/drivers/watchdog/bcm_kona_wdt.c index 4e37db3539a4..22d8ae65772a 100644 --- 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) |