diff options
Diffstat (limited to 'fs/f2fs/xattr.c')
| -rw-r--r-- | fs/f2fs/xattr.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/f2fs/xattr.c b/fs/f2fs/xattr.c index 89d0422a91a8..503c2451131e 100644 --- a/fs/f2fs/xattr.c +++ b/fs/f2fs/xattr.c @@ -275,7 +275,7 @@ static void *read_all_xattrs(struct inode *inode, struct page *ipage) inline_size = inline_xattr_size(inode); - txattr_addr = kzalloc(inline_size + size, GFP_KERNEL); + txattr_addr = kzalloc(inline_size + size, GFP_F2FS_ZERO); if (!txattr_addr) return NULL; @@ -407,6 +407,8 @@ int f2fs_getxattr(struct inode *inode, int name_index, const char *name, if (name == NULL) return -EINVAL; name_len = strlen(name); + if (name_len > F2FS_NAME_LEN) + return -ERANGE; base_addr = read_all_xattrs(inode, NULL); if (!base_addr) @@ -590,7 +592,10 @@ int f2fs_setxattr(struct inode *inode, int name_index, const char *name, f2fs_balance_fs(sbi); f2fs_lock_op(sbi); + /* protect xattr_ver */ + down_write(&F2FS_I(inode)->i_sem); err = __f2fs_setxattr(inode, name_index, name, value, value_len, ipage); + up_write(&F2FS_I(inode)->i_sem); f2fs_unlock_op(sbi); return err; |