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authorAlexey Khoroshilov <khoroshilov@ispras.ru>2014-09-23 00:39:31 +0400
committerTyler Hicks <tyhicks@canonical.com>2014-10-07 01:54:50 +0400
commit0f9e2bf008a1b143973a01b52320eb66c20ac6ab (patch)
tree5bbdd526288d3c7e92dec46407f9341a5bf4e5dc /fs/ecryptfs/inode.c
parent35425ea2492175fd39f6116481fe98b2b3ddd4ca (diff)
downloadlinux-0f9e2bf008a1b143973a01b52320eb66c20ac6ab.tar.xz
ecryptfs: remove unneeded buggy code in ecryptfs_do_create()
There is a bug in error handling of lock_parent() in ecryptfs_do_create(): lock_parent() acquries mutex even if dget_parent() fails, so mutex should be unlocked anyway. But dget_parent() does not fail, so the patch just removes unneeded buggy code. Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Signed-off-by: Tyler Hicks <tyhicks@canonical.com>
Diffstat (limited to 'fs/ecryptfs/inode.c')
-rw-r--r--fs/ecryptfs/inode.c7
1 files changed, 0 insertions, 7 deletions
diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 7e405396dc05..e8e22535d9fb 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -190,12 +190,6 @@ ecryptfs_do_create(struct inode *directory_inode,
lower_dentry = ecryptfs_dentry_to_lower(ecryptfs_dentry);
lower_dir_dentry = lock_parent(lower_dentry);
- if (IS_ERR(lower_dir_dentry)) {
- ecryptfs_printk(KERN_ERR, "Error locking directory of "
- "dentry\n");
- inode = ERR_CAST(lower_dir_dentry);
- goto out;
- }
rc = vfs_create(lower_dir_dentry->d_inode, lower_dentry, mode, true);
if (rc) {
printk(KERN_ERR "%s: Failure to create dentry in lower fs; "
@@ -213,7 +207,6 @@ ecryptfs_do_create(struct inode *directory_inode,
fsstack_copy_inode_size(directory_inode, lower_dir_dentry->d_inode);
out_lock:
unlock_dir(lower_dir_dentry);
-out:
return inode;
}