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regulator: lp3971: Silence uninitialized variable warning

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This is harmless but if lp3971_i2c_read() fails then "tmp" can be
uninitialized.  Silence the warning by moving the error handling up a
line.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Dan Carpenter 2016-04-14 12:34:41 +03:00 committed by Mark Brown
parent f55532a0c0
commit 40e1d79ee1
1 changed files with 1 additions and 1 deletions
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2
drivers/regulator/lp3971.c
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@ -365,8 +365,8 @@ static int lp3971_set_bits(struct lp3971 *lp3971, u8 reg, u16 mask, u16 val)
mutex_lock(&lp3971->io_lock);
ret = lp3971_i2c_read(lp3971->i2c, reg, 1, &tmp);
tmp = (tmp & ~mask) | val;
if (ret == 0) {
tmp = (tmp & ~mask) | val;
ret = lp3971_i2c_write(lp3971->i2c, reg, 1, &tmp);
dev_dbg(lp3971->dev, "reg write 0x%02x -> 0x%02x\n", (int)reg,
(unsigned)val&0xff);