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drbd: add error handling support for add_disk()

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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Luis Chamberlain 2021-09-27 15:00:59 -07:00 committed by Jens Axboe
parent d9c2bd252a
commit e92ab4eda5
1 changed files with 5 additions and 1 deletions
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6
drivers/block/drbd/drbd_main.c
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@ -2794,7 +2794,9 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
goto out_idr_remove_vol;
}
add_disk(disk);
err = add_disk(disk);
if (err)
goto out_cleanup_disk;
/* inherit the connection state */
device->state.conn = first_connection(resource)->cstate;
@ -2808,6 +2810,8 @@ enum drbd_ret_code drbd_create_device(struct drbd_config_context *adm_ctx, unsig
drbd_debugfs_device_add(device);
return NO_ERROR;
out_cleanup_disk:
blk_cleanup_disk(disk);
out_idr_remove_vol:
idr_remove(&connection->peer_devices, vnr);
out_idr_remove_from_resource: