[PATCH] reiser: replace kmalloc+memset with kzalloc

Replace kmalloc+memset with kzalloc

Signed-off-by: Yan Burman <burman.yan@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

fs/reiserfs/file.c

@@ -317,12 +317,11 @@ static int reiserfs_allocate_blocks_for_region(struct reiserfs_transaction_handl
 			/* area filled with zeroes, to supply as list of zero blocknumbers
 			   We allocate it outside of loop just in case loop would spin for
 			   several iterations. */
-			char *zeros = kmalloc(to_paste * UNFM_P_SIZE, GFP_ATOMIC);	// We cannot insert more than MAX_ITEM_LEN bytes anyway.
+			char *zeros = kzalloc(to_paste * UNFM_P_SIZE, GFP_ATOMIC);	// We cannot insert more than MAX_ITEM_LEN bytes anyway.
 			if (!zeros) {
 				res = -ENOMEM;
 				goto error_exit_free_blocks;
 			}
-			memset(zeros, 0, to_paste * UNFM_P_SIZE);
 			do {
 				to_paste =
 				    min_t(__u64, hole_size,

fs/reiserfs/inode.c

@@ -929,15 +929,12 @@ int reiserfs_get_block(struct inode *inode, sector_t block,
 			if (blocks_needed == 1) {
 				un = &unf_single;
 			} else {
-				un = kmalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC);	// We need to avoid scheduling.
+				un = kzalloc(min(blocks_needed, max_to_insert) * UNFM_P_SIZE, GFP_ATOMIC);	// We need to avoid scheduling.
 				if (!un) {
 					un = &unf_single;
 					blocks_needed = 1;
 					max_to_insert = 0;
-				} else
-					memset(un, 0,
-					       UNFM_P_SIZE * min(blocks_needed,
-								 max_to_insert));
+				}
 			}
 			if (blocks_needed <= max_to_insert) {
 				/* we are going to add target block to the file. Use allocated

fs/reiserfs/super.c

@@ -1549,13 +1549,12 @@ static int reiserfs_fill_super(struct super_block *s, void *data, int silent)
 	struct reiserfs_sb_info *sbi;
 	int errval = -EINVAL;
 
-	sbi = kmalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL);
+	sbi = kzalloc(sizeof(struct reiserfs_sb_info), GFP_KERNEL);
 	if (!sbi) {
 		errval = -ENOMEM;
 		goto error;
 	}
 	s->s_fs_info = sbi;
-	memset(sbi, 0, sizeof(struct reiserfs_sb_info));
 	/* Set default values for options: non-aggressive tails, RO on errors */
 	REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_SMALLTAIL);
 	REISERFS_SB(s)->s_mount_opt |= (1 << REISERFS_ERROR_RO);