On Mon, Mar 27, 2017 at 10:21:27PM +0100, Al Viro wrote: > On Mon, Mar 27, 2017 at 10:05:34AM -0700, Vito Caputo wrote: > > The existing path and memory cleanups appear to be in reverse order, and > > there's no iput() potentially leaking the inode in the last two error gotos. > > > > Also make put_memory shmem_unacct_size() conditional on !inode since if we > > entered cleanup at put_inode, shmem_evict_inode() occurs via > > iput()->iput_final(), which performs the shmem_unacct_size() for us. > > > > Signed-off-by: Vito Caputo <vcaputo@xxxxxxxxxxx> > > --- > > > > This caught my eye while looking through the memfd_create() implementation. > > Included patch was compile tested only... > > Obviously so, since you've just introduced a double iput() there. After > d_instantiate(path.dentry, inode); > dropping the reference to path.dentry (done by path_put(&path)) will drop > the reference to inode transferred into that dentry by d_instantiate(). > NAK. I see, so it's correct as-is, thanks for the review and apologies for the noise! Cheers, Vito Caputo -- To unsubscribe, send a message with 'unsubscribe linux-mm' in the body to majordomo@xxxxxxxxx. For more info on Linux MM, see: http://www.linux-mm.org/ . Don't email: <a href=mailto:"dont@xxxxxxxxx";> email@xxxxxxxxx </a>
