From 17088229846c078aa936ca64912ab221d083aca1 Mon Sep 17 00:00:00 2001 From: Cornelia Huck Date: Thu, 27 Jul 2006 14:00:33 +0200 Subject: [PATCH] [S390] duplicate ccw devices in ccwgroup. Fail to create a ccwgroup device if a ccw device is passed in twice. Signed-off-by: Cornelia Huck Signed-off-by: Martin Schwidefsky --- drivers/s390/cio/ccwgroup.c | 10 +++------- 1 file changed, 3 insertions(+), 7 deletions(-) diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c index f26a2ee3aa..3cba6c9fab 100644 --- a/drivers/s390/cio/ccwgroup.c +++ b/drivers/s390/cio/ccwgroup.c @@ -152,7 +152,6 @@ ccwgroup_create(struct device *root, struct ccwgroup_device *gdev; int i; int rc; - int del_drvdata; if (argc > 256) /* disallow dumb users */ return -EINVAL; @@ -163,7 +162,6 @@ ccwgroup_create(struct device *root, atomic_set(&gdev->onoff, 0); - del_drvdata = 0; for (i = 0; i < argc; i++) { gdev->cdev[i] = get_ccwdev_by_busid(cdrv, argv[i]); @@ -180,10 +178,8 @@ ccwgroup_create(struct device *root, rc = -EINVAL; goto free_dev; } - } - for (i = 0; i < argc; i++) gdev->cdev[i]->dev.driver_data = gdev; - del_drvdata = 1; + } gdev->creator_id = creator_id; gdev->count = argc; @@ -226,9 +222,9 @@ error: free_dev: for (i = 0; i < argc; i++) if (gdev->cdev[i]) { - put_device(&gdev->cdev[i]->dev); - if (del_drvdata) + if (gdev->cdev[i]->dev.driver_data == gdev) gdev->cdev[i]->dev.driver_data = NULL; + put_device(&gdev->cdev[i]->dev); } kfree(gdev); return rc; -- 2.39.5