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Btrfs: Check validity before setting an acl

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Call posix_acl_valid() to check if an acl is valid or not.

Signed-off-by: Miao Xie <miaox@cn.fujitsu.com>
Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
This commit is contained in:
Miao Xie
2011-04-13 14:07:59 +08:00
committed by Li Zefan
parent 3153495d8e
commit 329c5056be
1 changed files with 5 additions and 4 deletions
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9
fs/btrfs/acl.c
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@@ -178,16 +178,17 @@ static int btrfs_xattr_acl_set(struct dentry *dentry, const char *name,
if (value) { if (value) {
acl = posix_acl_from_xattr(value, size); acl = posix_acl_from_xattr(value, size);
if (acl == NULL) { if (acl) {
value = NULL; ret = posix_acl_valid(acl);
size = 0; if (ret)
goto out;
} else if (IS_ERR(acl)) { } else if (IS_ERR(acl)) {
return PTR_ERR(acl); return PTR_ERR(acl);
} }
} }
ret = btrfs_set_acl(NULL, dentry->d_inode, acl, type); ret = btrfs_set_acl(NULL, dentry->d_inode, acl, type);
out:
posix_acl_release(acl); posix_acl_release(acl);
return ret; return ret;