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| author | Matthew Wilcox <willy@infradead.org> | 2018-06-11 21:41:25 +0200 |
|---|---|---|
| committer | Matthew Wilcox <willy@infradead.org> | 2018-08-22 05:54:17 +0200 |
| commit | 5963e78d0cb6d5950cb22c1c0a9a31067483933d (patch) | |
| tree | 3f6599b8033fc0a9bb44fe62a6875f9dc987dc24 /drivers | |
| parent | sd: Convert to new IDA API (diff) | |
| download | linux-5963e78d0cb6d5950cb22c1c0a9a31067483933d.tar.xz linux-5963e78d0cb6d5950cb22c1c0a9a31067483933d.zip | |
osd: Convert to new IDA API
Slightly simpler code.
Signed-off-by: Matthew Wilcox <willy@infradead.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/scsi/osd/osd_uld.c | 22 |
1 files changed, 7 insertions, 15 deletions
diff --git a/drivers/scsi/osd/osd_uld.c b/drivers/scsi/osd/osd_uld.c index 0e56f1eb05dc..eaf36ccf58db 100644 --- a/drivers/scsi/osd/osd_uld.c +++ b/drivers/scsi/osd/osd_uld.c @@ -423,19 +423,11 @@ static int osd_probe(struct device *dev) if (scsi_device->type != TYPE_OSD) return -ENODEV; - do { - if (!ida_pre_get(&osd_minor_ida, GFP_KERNEL)) - return -ENODEV; - - error = ida_get_new(&osd_minor_ida, &minor); - } while (error == -EAGAIN); - - if (error) - return error; - if (minor >= SCSI_OSD_MAX_MINOR) { - error = -EBUSY; - goto err_retract_minor; - } + minor = ida_alloc_max(&osd_minor_ida, SCSI_OSD_MAX_MINOR, GFP_KERNEL); + if (minor == -ENOSPC) + return -EBUSY; + if (minor < 0) + return -ENODEV; error = -ENOMEM; oud = kzalloc(sizeof(*oud), GFP_KERNEL); @@ -499,7 +491,7 @@ static int osd_probe(struct device *dev) err_free_osd: put_device(&oud->class_dev); err_retract_minor: - ida_remove(&osd_minor_ida, minor); + ida_free(&osd_minor_ida, minor); return error; } @@ -514,7 +506,7 @@ static int osd_remove(struct device *dev) } cdev_device_del(&oud->cdev, &oud->class_dev); - ida_remove(&osd_minor_ida, oud->minor); + ida_free(&osd_minor_ida, oud->minor); put_device(&oud->class_dev); return 0; |