[PATCH] service_layers: osunixmap: Remove unnecessary brackets in acpi_os_map_memory()

[Xu Wang <vulab@xxxxxxxxxxx>]

Remove extra brackets.

Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
---
 tools/power/acpi/os_specific/service_layers/osunixmap.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/tools/power/acpi/os_specific/service_layers/osunixmap.c b/tools/power/acpi/os_specific/service_layers/osunixmap.c
index c565546e85bc..52f3e70b5c81 100644
--- a/tools/power/acpi/os_specific/service_layers/osunixmap.c
+++ b/tools/power/acpi/os_specific/service_layers/osunixmap.c
@@ -70,7 +70,7 @@ void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
 	fd = open(SYSTEM_MEMORY, O_RDONLY | O_BINARY);
 	if (fd < 0) {
 		fprintf(stderr, "Cannot open %s\n", SYSTEM_MEMORY);
-		return (NULL);
+		return NULL;
 	}
 
 	/* Align the offset to use mmap */
@@ -85,7 +85,7 @@ void *acpi_os_map_memory(acpi_physical_address where, acpi_size length)
 	if (mapped_memory == MAP_FAILED) {
 		fprintf(stderr, "Cannot map %s\n", SYSTEM_MEMORY);
 		close(fd);
-		return (NULL);
+		return NULL;
 	}
 
 	close(fd);
-- 
2.17.1