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authorAl Viro <viro@zeniv.linux.org.uk>2020-01-26 10:06:13 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-03-13 21:09:12 -0400
commit3ad5615a071f7c1c41b2e23b9ffde73b09499eb0 (patch)
treedb900952b30b92270b9eced6a7ee3d3e787023a5 /fs/namei.c
parent7be219b4dcd9c698a120726e48a52b96f554fd2c (diff)
downloadlinux-3ad5615a071f7c1c41b2e23b9ffde73b09499eb0.tar.gz
do_last(): merge the may_open() calls
have FMODE_OPENED case rejoin the main path at earlier point

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/namei.c')
-rw-r--r--fs/namei.c10
1 files changed, 3 insertions, 7 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 7e932d9a71a9..2f8a5d3be784 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -3207,10 +3207,7 @@ static const char *do_last(struct nameidata *nd,
 		audit_inode(nd->name, file->f_path.dentry, 0);
 		dput(nd->path.dentry);
 		nd->path.dentry = dentry;
-		error = may_open(&nd->path, acc_mode, open_flag);
-		if (error)
-			goto out;
-		goto opened;
+		goto finish_open_created;
 	}
 
 	if (file->f_mode & FMODE_CREATED) {
@@ -3277,11 +3274,10 @@ finish_open_created:
 	error = may_open(&nd->path, acc_mode, open_flag);
 	if (error)
 		goto out;
-	BUG_ON(file->f_mode & FMODE_OPENED); /* once it's opened, it's opened */
-	error = vfs_open(&nd->path, file);
+	if (!(file->f_mode & FMODE_OPENED))
+		error = vfs_open(&nd->path, file);
 	if (error)
 		goto out;
-opened:
 	error = ima_file_check(file, op->acc_mode);
 	if (!error && will_truncate)
 		error = handle_truncate(file);