From: Al Viro <viro@ftp.linux.org.uk>
Date: Mon, 18 Dec 2006 13:31:18 +0000 (+0000)
Subject: [PATCH] fix leaks on pipe(2) failure exits
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=5ccac88eeb5659c716af8e695e2943509c80d172;p=GitHub%2FLineageOS%2FG12%2Fandroid_kernel_amlogic_linux-4.9.git

[PATCH] fix leaks on pipe(2) failure exits

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
---

diff --git a/fs/pipe.c b/fs/pipe.c
index 9a06e8e48e8d..68090e84f589 100644
--- a/fs/pipe.c
+++ b/fs/pipe.c
@@ -935,8 +935,9 @@ struct file *create_write_pipe(void)
 
 void free_write_pipe(struct file *f)
 {
-	mntput(f->f_path.mnt);
+	free_pipe_info(f->f_dentry->d_inode);
 	dput(f->f_path.dentry);
+	mntput(f->f_path.mnt);
 	put_filp(f);
 }
 
@@ -994,6 +995,8 @@ int do_pipe(int *fd)
  err_fdr:
 	put_unused_fd(fdr);
  err_read_pipe:
+	dput(fr->f_dentry);
+	mntput(fr->f_vfsmnt);
 	put_filp(fr);
  err_write_pipe:
 	free_write_pipe(fw);