| From | Sasha Levin <> | Subject | [PATCH AUTOSEL for 4.15 044/102] power: supply: sbs-message: double left shift bug in sbsm_select() | Date | Sat, 3 Mar 2018 22:24:34 +0000 |
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From: Dan Carpenter <dan.carpenter@oracle.com>
[ Upstream commit 7d54d0d38ec42559c891526f079f1e035cd4b3ae ]
The original code does this: "1 << (1 << 11)" which is undefined in C.
Fixes: dbc4deda03fe ("power: Adds support for Smart Battery System Manager") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> --- drivers/power/supply/sbs-manager.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/power/supply/sbs-manager.c b/drivers/power/supply/sbs-manager.c index ccb4217b9638..cb6e8f66c7a2 100644 --- a/drivers/power/supply/sbs-manager.c +++ b/drivers/power/supply/sbs-manager.c @@ -183,7 +183,7 @@ static int sbsm_select(struct i2c_mux_core *muxc, u32 chan) return ret; /* chan goes from 1 ... 4 */ - reg = 1 << BIT(SBSM_SMB_BAT_OFFSET + chan); + reg = BIT(SBSM_SMB_BAT_OFFSET + chan); ret = sbsm_write_word(data->client, SBSM_CMD_BATSYSSTATE, reg); if (ret) dev_err(dev, "Failed to select channel %i\n", chan); -- 2.14.1
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