[PATCH] ext4: kmalloc to kzalloc

Performs kmalloc to kzalloc conversion

Signed-off-by: Avantika Mathur <mathur@us.ibm.com>
Cc: <linux-ext4@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 06ce8e87731ed745000400bd19acd7606ed7f30e..e41be1866d7d00b1fac87aa7489b55180d498ee5 100644 (file)
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -477,13 +477,12 @@ ext4_ext_find_extent(struct inode *inode, int block, struct ext4_ext_path *path)
 
        /* 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 *handle, struct inode *inode,
         * 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);
@@ -1773,12 +1771,11 @@ int ext4_ext_remove_space(struct inode *inode, unsigned long start)
         * 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;