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authorAl Viro <viro@zeniv.linux.org.uk>2020-03-10 15:19:24 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2020-04-02 07:09:30 +0200
commitff326a3299660e46d4eb8876b217fee38638281a (patch)
tree1c1a38647905f2b05c423aa551acd97ca82d2576 /fs/namei.c
parentopen_last_lookups(): lift O_EXCL|O_CREAT handling into do_open() (diff)
downloadlinux-ff326a3299660e46d4eb8876b217fee38638281a.tar.xz
linux-ff326a3299660e46d4eb8876b217fee38638281a.zip
open_last_lookups(): move complete_walk() into do_open()
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 2e9205599931..2c901a022faf 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3128,10 +3128,7 @@ static const char *open_last_lookups(struct nameidata *nd,
if (nd->last_type != LAST_NORM) {
if (nd->depth)
put_link(nd);
- res = handle_dots(nd, nd->last_type);
- if (likely(!res))
- res = ERR_PTR(complete_walk(nd));
- return res;
+ return handle_dots(nd, nd->last_type);
}
if (!(open_flag & O_CREAT)) {
@@ -3196,13 +3193,9 @@ finish_lookup:
if (nd->depth)
put_link(nd);
res = step_into(nd, WALK_TRAILING, dentry, inode, seq);
- if (unlikely(res)) {
+ if (unlikely(res))
nd->flags &= ~(LOOKUP_OPEN|LOOKUP_CREATE|LOOKUP_EXCL);
- return res;
- }
-
- /* Why this, you ask? _Now_ we might have grown LOOKUP_JUMPED... */
- return ERR_PTR(complete_walk(nd));
+ return res;
}
/*
@@ -3216,6 +3209,11 @@ static int do_open(struct nameidata *nd,
int acc_mode;
int error;
+ if (!(file->f_mode & (FMODE_OPENED | FMODE_CREATED))) {
+ error = complete_walk(nd);
+ if (error)
+ return error;
+ }
if (!(file->f_mode & FMODE_CREATED))
audit_inode(nd->name, nd->path.dentry, 0);
if (open_flag & O_CREAT) {