[PATCH 1/1 linux-next] ACPI / SBS: fix sparse warning

[Fabian Frederick]

Adding parentheses around expression to avoid:
drivers/acpi/sbs.c:444:28: warning: dubious: !x & y

Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>
---
 drivers/acpi/sbs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/sbs.c b/drivers/acpi/sbs.c
index 32aecea..a7a3edd 100644
--- a/drivers/acpi/sbs.c
+++ b/drivers/acpi/sbs.c
@@ -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;
-- 
1.9.1

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