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authorShuqi Zhang <zhangshuqi3@huawei.com>2022-05-25 11:01:20 +0800
committerTheodore Ts'o <tytso@mit.edu>2022-06-18 19:35:43 -0400
commit4efd9f0d120c55b08852ee5605dbb02a77089a5d (patch)
tree8631c70c8ac72a5781db94774f70f636a35dfcb0 /fs
parent9b6641dd95a0c441b277dd72ba22fed8d61f76ad (diff)
ext4: use kmemdup() to replace kmalloc + memcpy
Replace kmalloc + memcpy with kmemdup() Signed-off-by: Shuqi Zhang <zhangshuqi3@huawei.com> Reviewed-by: Ritesh Harjani <ritesh.list@gmail.com> Link: https://lore.kernel.org/r/20220525030120.803330-1-zhangshuqi3@huawei.com Signed-off-by: Theodore Ts'o <tytso@mit.edu>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext4/xattr.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/fs/ext4/xattr.c b/fs/ext4/xattr.c
index 042325349098..564e28a1aa94 100644
--- a/fs/ext4/xattr.c
+++ b/fs/ext4/xattr.c
@@ -1895,11 +1895,10 @@ ext4_xattr_block_set(handle_t *handle, struct inode *inode,
unlock_buffer(bs->bh);
ea_bdebug(bs->bh, "cloning");
- s->base = kmalloc(bs->bh->b_size, GFP_NOFS);
+ s->base = kmemdup(BHDR(bs->bh), bs->bh->b_size, GFP_NOFS);
error = -ENOMEM;
if (s->base == NULL)
goto cleanup;
- memcpy(s->base, BHDR(bs->bh), bs->bh->b_size);
s->first = ENTRY(header(s->base)+1);
header(s->base)->h_refcount = cpu_to_le32(1);
s->here = ENTRY(s->base + offset);