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authorAl Viro <viro@zeniv.linux.org.uk>2012-06-10 05:04:43 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2012-07-14 16:33:33 +0400
commit3d8a00d2099ebc6d5a6e95fadaf861709d9919a8 (patch)
tree317bfb9d71e3ef35746685c6da2397545917d81e
parent47237687d73cbeae1dd7a133c3fc3d7239094568 (diff)
downloadop-kernel-dev-3d8a00d2099ebc6d5a6e95fadaf861709d9919a8.zip
op-kernel-dev-3d8a00d2099ebc6d5a6e95fadaf861709d9919a8.tar.gz
don't modify od->filp at all
make put_filp() conditional on flag set by finish_open() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
-rw-r--r--fs/namei.c4
-rw-r--r--fs/open.c5
2 files changed, 3 insertions, 6 deletions
diff --git a/fs/namei.c b/fs/namei.c
index 7a33f07..18b9326 100644
--- a/fs/namei.c
+++ b/fs/namei.c
@@ -2708,10 +2708,8 @@ out:
path_put(&nd->root);
if (base)
fput(base);
- if (od.filp) {
- BUG_ON(od.filp->f_path.dentry);
+ if (!(opened & FILE_OPENED))
put_filp(od.filp);
- }
if (res == ERR_PTR(-EOPENSTALE)) {
if (flags & LOOKUP_RCU)
res = ERR_PTR(-ECHILD);
diff --git a/fs/open.c b/fs/open.c
index 89589bd..c87f982 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -786,15 +786,14 @@ struct file *finish_open(struct opendata *od, struct dentry *dentry,
int *opened)
{
struct file *res;
+ BUG_ON(*opened & FILE_OPENED); /* once it's opened, it's opened */
mntget(od->mnt);
dget(dentry);
res = do_dentry_open(dentry, od->mnt, od->filp, open, current_cred());
- if (!IS_ERR(res)) {
+ if (!IS_ERR(res))
*opened |= FILE_OPENED;
- od->filp = NULL;
- }
return res;
}
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