HFSPlus: change kmalloc/memset to kzalloc

Removed kmalloc and memset in favor of kzalloc.

To explain the HFSPLUS_SB() macro in the removed memset call:

hfsplus_fs.h:#define HFSPLUS_SB(super)  (*(struct hfsplus_sb_info *)(super)->s_fs_info)

Signed-off-by: Wyatt Banks <wyatt@banksresearch.com>
Cc: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/hfsplus/super.c b/fs/hfsplus/super.c
index ebd1b38..42570c9 100644
--- a/fs/hfsplus/super.c
+++ b/fs/hfsplus/super.c
@@ -283,11 +283,10 @@
 	struct nls_table *nls = NULL;
 	int err = -EINVAL;
 
-	sbi = kmalloc(sizeof(struct hfsplus_sb_info), GFP_KERNEL);
+	sbi = kzalloc(sizeof(*sbi), GFP_KERNEL);
 	if (!sbi)
 		return -ENOMEM;
 
-	memset(sbi, 0, sizeof(HFSPLUS_SB(sb)));
 	sb->s_fs_info = sbi;
 	INIT_HLIST_HEAD(&sbi->rsrc_inodes);
 	hfsplus_fill_defaults(sbi);