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authorAl Viro <viro@zeniv.linux.org.uk>2015-02-22 04:16:11 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2015-02-22 17:43:12 +0100
commit7e0e953bb0cf649f93277ac8fb67ecbb7f7b04a9 (patch)
tree1ba29a05213aefe77827f268624948ad417c984a /fs/proc/internal.h
parentdebugfs: leave freeing a symlink body until inode eviction (diff)
downloadlinux-7e0e953bb0cf649f93277ac8fb67ecbb7f7b04a9.tar.xz
linux-7e0e953bb0cf649f93277ac8fb67ecbb7f7b04a9.zip
procfs: fix race between symlink removals and traversals
use_pde()/unuse_pde() in ->follow_link()/->put_link() resp. Cc: stable@vger.kernel.org Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to '')
-rw-r--r--fs/proc/internal.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/fs/proc/internal.h b/fs/proc/internal.h
index 6fcdba573e0f..c835b94c0cd3 100644
--- a/fs/proc/internal.h
+++ b/fs/proc/internal.h
@@ -200,6 +200,7 @@ struct pde_opener {
int closing;
struct completion *c;
};
+extern const struct inode_operations proc_link_inode_operations;
extern const struct inode_operations proc_pid_link_inode_operations;