[PATCH] powerpc/mpic: Use bitmap_zalloc() when applicable

[Christophe JAILLET]

'mpic->protected' is a bitmap. So use 'bitmap_zalloc()' to simplify
code and improve the semantic, instead of hand writing it.

Signed-off-by: Christophe JAILLET <christophe.jaillet@xxxxxxxxxx>
---
 drivers/s390/cio/idset.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/s390/cio/idset.c b/drivers/s390/cio/idset.c
index 45f9c0736be4..7e5550230c0f 100644
--- a/drivers/s390/cio/idset.c
+++ b/drivers/s390/cio/idset.c
@@ -25,11 +25,10 @@ static struct idset *idset_new(int num_ssid, int num_id)
 {
 	struct idset *set;
 
-	set = vmalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id));
+	set = vzalloc(sizeof(struct idset) + bitmap_size(num_ssid, num_id));
 	if (set) {
 		set->num_ssid = num_ssid;
 		set->num_id = num_id;
-		memset(set->bitmap, 0, bitmap_size(num_ssid, num_id));
 	}
 	return set;
 }
-- 
2.30.2