AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-24 03:20:53 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

do_dentry_open(): close the race with mark_files_ro() in failure exit

Browse Source 
we want to take it out of mark_files_ro() reach *before* we start
checking if we ought to drop write access.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro 2012-06-23 22:49:45 +04:00
parent 85d7d618c1
commit c3c4f69424
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/open.c
View File

@ -727,6 +727,7 @@ static int do_dentry_open(struct file *f,
cleanup_all:
fops_put(f->f_op);
file_sb_list_del(f);
if (f->f_mode & FMODE_WRITE) {
put_write_access(inode);
if (!special_file(inode->i_mode)) {
@ -740,7 +741,6 @@ static int do_dentry_open(struct file *f,
mnt_drop_write(f->f_path.mnt);
}
}
file_sb_list_del(f);
cleanup_file:
path_put(&f->f_path);
f->f_path.mnt = NULL;