2006-11-28 00:10:29

by Avantika Mathur LTC

[permalink] [raw]
Subject: [PATCH 2/3] kmalloc to kzalloc

From: Avantika Mathur <[email protected]>

Performs kmalloc to kzalloc conversion

Signed-off-by: Avantika Mathur <[email protected]>
---
fs/ext4/extents.c | 9 +++------
1 files changed, 3 insertions(+), 6 deletions(-)

Index: linux-2.6.19-rc6-mm1/fs/ext4/extents.c
===================================================================
--- linux-2.6.19-rc6-mm1.orig/fs/ext4/extents.c
+++ linux-2.6.19-rc6-mm1/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;