Commit 54e54d58 authored by Linus Torvalds's avatar Linus Torvalds

Merge branch 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs

Pull epoll fixup from Al Viro:
 "Fixup for epoll regression; there's a better solution longer term, but
  this is the least intrusive fix"

* 'work.epoll' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
  fix regression in "epoll: Keep a reference on files added to the check list"
parents 9c7d619b 77f4689d
...@@ -1995,7 +1995,7 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) ...@@ -1995,7 +1995,7 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests)
* during ep_insert(). * during ep_insert().
*/ */
if (list_empty(&epi->ffd.file->f_tfile_llink)) { if (list_empty(&epi->ffd.file->f_tfile_llink)) {
get_file(epi->ffd.file); if (get_file_rcu(epi->ffd.file))
list_add(&epi->ffd.file->f_tfile_llink, list_add(&epi->ffd.file->f_tfile_llink,
&tfile_check_list); &tfile_check_list);
} }
......
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