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| author | Sebastian Ott <sebott@linux.vnet.ibm.com> | 2009-08-23 18:09:04 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2009-08-23 18:10:00 +0200 |
| commit | 06739a8ad321b1e5140b318c648b0cc4bf8c6daa (patch) | |
| tree | fdbee8b3b657fbd206a223d06d930931e8efb4c8 /drivers | |
| parent | 3edf2fb9d80a46d6c32ba12547a42419845b4b76 (diff) | |
| download | op-kernel-dev-06739a8ad321b1e5140b318c648b0cc4bf8c6daa.zip op-kernel-dev-06739a8ad321b1e5140b318c648b0cc4bf8c6daa.tar.gz | |
[S390] cio: fix double free after failed device initialization
If io_subchannel_initialize_dev fails it will release the only
reference to the ccw device therefore the caller should not
kfree this device since this is done in the release function.
Signed-off-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/s390/cio/device.c | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index 3c57c1a..d593bc7 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -772,10 +772,8 @@ static struct ccw_device * io_subchannel_create_ccwdev(struct subchannel *sch) cdev = io_subchannel_allocate_dev(sch); if (!IS_ERR(cdev)) { ret = io_subchannel_initialize_dev(sch, cdev); - if (ret) { - kfree(cdev); + if (ret) cdev = ERR_PTR(ret); - } } return cdev; } |
