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ACPI / SBS: Fix check in acpi_ac_get_present()

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Parentheses are missing under an if () statement in
acpi_ac_get_present() which makes the check work differently
from what was intended (at least according to the comment right
above it).  Add the missing parens.

The problem was found by sparse.

Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: All applicable <stable@vger.kernel.org>
This commit is contained in:
Rafael J. Wysocki 2014-09-28 01:27:42 +02:00
parent 7bc5a2bad0
commit 5159e39bdf
1 changed files with 1 additions and 1 deletions
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2
drivers/acpi/sbs.c
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@ -441,7 +441,7 @@ static int acpi_ac_get_present(struct acpi_sbs *sbs)
* The spec requires that bit 4 always be 1. If it's not set, assume
* that the implementation doesn't support an SBS charger
*/
if (!(status >> 4) & 0x1)
if (!((status >> 4) & 0x1))
return -ENODEV;
sbs->charger_present = (status >> 15) & 0x1;