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| author | Bart Van Assche <Bart.VanAssche@sandisk.com> | 2017-03-30 17:17:17 +0000 |
|---|---|---|
| committer | Martin K. Petersen <martin.petersen@oracle.com> | 2017-04-06 12:43:12 -0400 |
| commit | c02465fa13b6232db664c5dcfe9c429b4fe31c99 (patch) | |
| tree | 9d99b1adefbee5609ceb8529671bb33e95bf929e /drivers/scsi/osd | |
| parent | 8690218a4c98af41f4abd3dba97bcf468c537629 (diff) | |
| download | linux-c02465fa13b6232db664c5dcfe9c429b4fe31c99.tar.gz linux-c02465fa13b6232db664c5dcfe9c429b4fe31c99.tar.bz2 linux-c02465fa13b6232db664c5dcfe9c429b4fe31c99.zip | |
scsi: osd_uld: Check scsi_device_get() return value
scsi_device_get() can fail. Hence check its return value.
Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Boaz Harrosh <bharrosh@panasas.com>
Acked-by: Boaz Harrosh <ooo@electrozaur.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi/osd')
| -rw-r--r-- | drivers/scsi/osd/osd_uld.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index c3563a9512b7..ed948025112c 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -464,14 +464,15 @@ static int osd_probe(struct device *dev) /* hold one more reference to the scsi_device that will get released * in __release, in case a logout is happening while fs is mounted */ - scsi_device_get(scsi_device); + if (scsi_device_get(scsi_device)) + goto err_put_disk; osd_dev_init(&oud->od, scsi_device); /* Detect the OSD Version */ error = __detect_osd(oud); if (error) { OSD_ERR("osd detection failed, non-compatible OSD device\n"); - goto err_put_disk; + goto err_put_sdev; } /* init the char-device for communication with user-mode */ @@ -508,8 +509,9 @@ static int osd_probe(struct device *dev) err_put_cdev: cdev_del(&oud->cdev); -err_put_disk: +err_put_sdev: scsi_device_put(scsi_device); +err_put_disk: put_disk(disk); err_free_osd: dev_set_drvdata(dev, NULL); |