From: Al Viro Date: Fri, 20 Jul 2012 08:09:19 +0000 (+0400) Subject: ecryptfs_lookup_interpose(): allocate dentry_info first X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=0b1d90119a479ca3b70d871da4b2ce6c4ef9eff0;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git ecryptfs_lookup_interpose(): allocate dentry_info first less work on failure that way Signed-off-by: Al Viro --- diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c index eeb734aea5ba..c3ca12c33ca2 100644 --- a/fs/ecryptfs/inode.c +++ b/fs/ecryptfs/inode.c @@ -318,21 +318,20 @@ static int ecryptfs_lookup_interpose(struct dentry *dentry, struct vfsmount *lower_mnt; int rc = 0; - lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(dentry->d_parent)); - fsstack_copy_attr_atime(dir_inode, lower_dentry->d_parent->d_inode); - BUG_ON(!lower_dentry->d_count); - dentry_info = kmem_cache_alloc(ecryptfs_dentry_info_cache, GFP_KERNEL); - ecryptfs_set_dentry_private(dentry, dentry_info); if (!dentry_info) { printk(KERN_ERR "%s: Out of memory whilst attempting " "to allocate ecryptfs_dentry_info struct\n", __func__); dput(lower_dentry); - mntput(lower_mnt); - d_drop(dentry); return -ENOMEM; } + + lower_mnt = mntget(ecryptfs_dentry_to_lower_mnt(dentry->d_parent)); + fsstack_copy_attr_atime(dir_inode, lower_dentry->d_parent->d_inode); + BUG_ON(!lower_dentry->d_count); + + ecryptfs_set_dentry_private(dentry, dentry_info); ecryptfs_set_dentry_lower(dentry, lower_dentry); ecryptfs_set_dentry_lower_mnt(dentry, lower_mnt);