From: Avantika Mathur Performs kmalloc to kzalloc conversion Signed-off-by: Avantika Mathur Cc: Signed-off-by: Andrew Morton --- fs/ext4/extents.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-) diff -puN fs/ext4/extents.c~ext4-kmalloc-to-kzalloc fs/ext4/extents.c --- a/fs/ext4/extents.c~ext4-kmalloc-to-kzalloc +++ a/fs/ext4/extents.c @@ -477,13 +477,12 @@ ext4_ext_find_extent(struct inode *inode /* account possible depth increase */ if (!path) { - path = kmalloc(sizeof(struct ext4_ext_path) * (depth + 2), + path = kzalloc(sizeof(struct ext4_ext_path) * (depth + 2), GFP_NOFS); if (!path) return ERR_PTR(-ENOMEM); alloc = 1; } - memset(path, 0, sizeof(struct ext4_ext_path) * (depth + 1)); path[0].p_hdr = eh; /* walk through the tree */ @@ -643,10 +642,9 @@ static int ext4_ext_split(handle_t *hand * We need this to handle errors and free blocks * upon them. */ - ablocks = kmalloc(sizeof(ext4_fsblk_t) * depth, GFP_NOFS); + ablocks = kzalloc(sizeof(ext4_fsblk_t) * depth, GFP_NOFS); if (!ablocks) return -ENOMEM; - memset(ablocks, 0, sizeof(ext4_fsblk_t) * depth); /* allocate all needed blocks */ ext_debug("allocate %d blocks for indexes/leaf\n", depth - at); @@ -1772,12 +1770,11 @@ int ext4_ext_remove_space(struct inode * * We start scanning from right side, freeing all the blocks * after i_size and walking into the tree depth-wise. */ - path = kmalloc(sizeof(struct ext4_ext_path) * (depth + 1), GFP_KERNEL); + path = kzalloc(sizeof(struct ext4_ext_path) * (depth + 1), GFP_KERNEL); if (path == NULL) { ext4_journal_stop(handle); return -ENOMEM; } - memset(path, 0, sizeof(struct ext4_ext_path) * (depth + 1)); path[0].p_hdr = ext_inode_hdr(inode); if (ext4_ext_check_header(__FUNCTION__, inode, path[0].p_hdr)) { err = -EIO; _