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propagate error from get_empty_filp() to its callers

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Based on parts from Anatol's patch (the rest is the next commit).

Signed-off-by: Al Viro <[email protected]>
This commit is contained in:
Al Viro 2013-02-14 20:41:04 -05:00
commit 1afc99beaf
3 changed files with 28 additions and 30 deletions
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27
fs/open.c
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@ -810,23 +810,22 @@ struct file *dentry_open(const struct path *path, int flags,
/* 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;
}