diff options
author | Zhu Wang <wangzhu9@huawei.com> | 2023-08-01 14:14:21 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-08-16 19:27:30 +0300 |
commit | 7723a5d5d187626c4c640842e522cf4e9e39492e (patch) | |
tree | a2a71b575f8da4ba49511056243d7dda18386b34 /drivers/scsi | |
parent | 9fdb273ede6f4428f44b09267a95f2a10b738809 (diff) | |
download | linux-7723a5d5d187626c4c640842e522cf4e9e39492e.tar.xz |
scsi: snic: Fix possible memory leak if device_add() fails
commit 41320b18a0e0dfb236dba4edb9be12dba1878156 upstream.
If device_add() returns error, the name allocated by dev_set_name() needs
be freed. As the comment of device_add() says, put_device() should be used
to give up the reference in the error path. So fix this by calling
put_device(), then the name can be freed in kobject_cleanp().
Fixes: c8806b6c9e82 ("snic: driver for Cisco SCSI HBA")
Signed-off-by: Zhu Wang <wangzhu9@huawei.com>
Acked-by: Narsimhulu Musini <nmusini@cisco.com>
Link: https://lore.kernel.org/r/20230801111421.63651-1-wangzhu9@huawei.com
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/scsi')
-rw-r--r-- | drivers/scsi/snic/snic_disc.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/scsi/snic/snic_disc.c b/drivers/scsi/snic/snic_disc.c index 8fbf3c1b1311..cd27562ec922 100644 --- a/drivers/scsi/snic/snic_disc.c +++ b/drivers/scsi/snic/snic_disc.c @@ -303,6 +303,7 @@ snic_tgt_create(struct snic *snic, struct snic_tgt_id *tgtid) "Snic Tgt: device_add, with err = %d\n", ret); + put_device(&tgt->dev); put_device(&snic->shost->shost_gendev); spin_lock_irqsave(snic->shost->host_lock, flags); list_del(&tgt->list); |