propagate error from get_empty_filp() to its callers
Based on parts from Anatol's patch (the rest is the next commit).
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/fs/open.c b/fs/open.c
index e08643f..97a237f 100644
--- a/fs/open.c
+++ b/fs/open.c
@@ -810,23 +810,22 @@
/* We must always pass in a valid mount pointer. */
BUG_ON(!path->mnt);
- error = -ENFILE;
f = get_empty_filp();
- if (f == NULL)
- return ERR_PTR(error);
-
- f->f_flags = flags;
- f->f_path = *path;
- error = do_dentry_open(f, NULL, cred);
- if (!error) {
- error = open_check_o_direct(f);
- if (error) {
- fput(f);
+ if (!IS_ERR(f)) {
+ f->f_flags = flags;
+ f->f_path = *path;
+ error = do_dentry_open(f, NULL, cred);
+ if (!error) {
+ /* from now on we need fput() to dispose of f */
+ error = open_check_o_direct(f);
+ if (error) {
+ fput(f);
+ f = ERR_PTR(error);
+ }
+ } else {
+ put_filp(f);
f = ERR_PTR(error);
}
- } else {
- put_filp(f);
- f = ERR_PTR(error);
}
return f;
}