fs: proc: Delete inode time initializations in proc_alloc_inode()
authorDeepa Dinamani <deepa.kernel@gmail.com>
Wed, 14 Sep 2016 14:48:03 +0000 (07:48 -0700)
committerAl Viro <viro@zeniv.linux.org.uk>
Wed, 28 Sep 2016 01:06:20 +0000 (21:06 -0400)
proc uses new_inode_pseudo() to allocate a new inode.
This in turn calls the proc_inode_alloc() callback.
But, at this point, inode is still not initialized
with the super_block pointer which only happens just
before alloc_inode() returns after the call to
inode_init_always().

Also, the inode times are initialized again after the
call to new_inode_pseudo() in proc_inode_alloc().
The assignemet in proc_alloc_inode() is redundant and
also doesn't work after the current_time() api is
changed to take struct inode* instead of
struct *super_block.

This bug was reported after current_time() was used to
assign times in proc_alloc_inode().

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Reported-by: Fengguang Wu <fengguang.wu@intel.com> [0-day test robot]
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
fs/proc/inode.c

index c1b72388e57115747790948a172312738997fb0a..ce1f1a91990203d8c0d93d4a45dbac2c81537c37 100644 (file)
@@ -68,7 +68,6 @@ static struct inode *proc_alloc_inode(struct super_block *sb)
        ei->sysctl_entry = NULL;
        ei->ns_ops = NULL;
        inode = &ei->vfs_inode;
-       inode->i_mtime = inode->i_atime = inode->i_ctime = CURRENT_TIME;
        return inode;
 }