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rtc: m41t80: use guard

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Use guard() to simplify error handling

Link: https://patch.msgid.link/20261019211827.126262-11-alexandre.belloni@bootlin.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
This commit is contained in:
Alexandre Belloni 2026-10-19 23:18:12 +02:00
parent f1104e3e62
commit e2005cd977
1 changed files with 3 additions and 9 deletions
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12
drivers/rtc/rtc-m41t80.c
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@ -162,19 +162,15 @@ static irqreturn_t m41t80_handle_irq(int irq, void *dev_id)
unsigned long events = 0;
int flags, flags_afe;
rtc_lock(m41t80->rtc);
guard(rtc_ops)(m41t80->rtc);
flags_afe = i2c_smbus_read_byte_data(client, M41T80_REG_ALARM_MON);
if (flags_afe < 0) {
rtc_unlock(m41t80->rtc);
if (flags_afe < 0)
return IRQ_NONE;
}
flags = i2c_smbus_read_byte_data(client, M41T80_REG_FLAGS);
if (flags <= 0) {
rtc_unlock(m41t80->rtc);
if (flags <= 0)
return IRQ_NONE;
}
if (flags & M41T80_FLAGS_AF) {
flags &= ~M41T80_FLAGS_AF;
@ -189,8 +185,6 @@ static irqreturn_t m41t80_handle_irq(int irq, void *dev_id)
flags_afe);
}
rtc_unlock(m41t80->rtc);
return IRQ_HANDLED;
}