[PATCH] sound/ppc/powermac: remove undefined operations

[Andreas Schwab]

Modifying an object twice without an intervening sequence point is
undefined.

Signed-off-by: Andreas Schwab <schwab at linux-m68k.org>
---
 sound/ppc/tumbler.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/sound/ppc/tumbler.c b/sound/ppc/tumbler.c
index 20afdf9..961d982 100644
--- a/sound/ppc/tumbler.c
+++ b/sound/ppc/tumbler.c
@@ -785,7 +785,7 @@ static int snapper_set_capture_source(struct pmac_tumbler *mix)
 	if (! mix->i2c.client)
 		return -ENODEV;
 	if (mix->capture_source)
-		mix->acs = mix->acs |= 2;
+		mix->acs |= 2;
 	else
 		mix->acs &= ~2;
 	return i2c_smbus_write_byte_data(mix->i2c.client, TAS_REG_ACS, mix->acs);
-- 
1.7.2.3

-- 
Andreas Schwab, schwab at linux-m68k.org
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