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| author | Miklos Szeredi <mszeredi@suse.cz> | 2012-05-21 17:30:18 +0200 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2012-06-01 18:12:01 +0200 |
| commit | 50ee93afcaa970620d1fb5a9894109a2ab152868 (patch) | |
| tree | 40aa31801f8b60f9f67ba168e438d4c947d502b3 | |
| parent | vfs: nameidata_to_filp(): inline __dentry_open() (diff) | |
| download | linux-50ee93afcaa970620d1fb5a9894109a2ab152868.tar.xz linux-50ee93afcaa970620d1fb5a9894109a2ab152868.zip | |
vfs: nameidata_to_filp(): don't throw away file on error
If open fails, don't put the file. This allows it to be reused if open needs to
be retried.
Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/open.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/open.c b/fs/open.c index 9fd34b76b959..d6c79a0dffc7 100644 --- a/fs/open.c +++ b/fs/open.c @@ -824,10 +824,11 @@ struct file *nameidata_to_filp(struct nameidata *nd) /* Pick up the filp from the open intent */ filp = nd->intent.open.file; - nd->intent.open.file = NULL; /* Has the filesystem initialised the file for us? */ - if (filp->f_path.dentry == NULL) { + if (filp->f_path.dentry != NULL) { + nd->intent.open.file = NULL; + } else { struct file *res; path_get(&nd->path); @@ -836,6 +837,7 @@ struct file *nameidata_to_filp(struct nameidata *nd) if (!IS_ERR(res)) { int error; + nd->intent.open.file = NULL; BUG_ON(res != filp); error = open_check_o_direct(filp); @@ -844,7 +846,7 @@ struct file *nameidata_to_filp(struct nameidata *nd) filp = ERR_PTR(error); } } else { - put_filp(filp); + /* Allow nd->intent.open.file to be recycled */ filp = res; } } |