diff options
| author | Ivan Orlov <ivan.orlov0322@gmail.com> | 2023-08-04 18:05:28 +0300 |
|---|---|---|
| committer | Leon Romanovsky <leon@kernel.org> | 2023-08-08 13:25:15 +0300 |
| commit | 64917f4c35b3e490e0c0f966fab533dfb560db5e (patch) | |
| tree | 06495f6a8a5c5014cd8e58063b636bfee1c4bed1 /drivers/infiniband/hw/qib | |
| parent | 849b1955ade1c647234d6fadeb70377d9def01ca (diff) | |
| download | linux-64917f4c35b3e490e0c0f966fab533dfb560db5e.tar.xz | |
RDMA: Make all 'class' structures const
Now that the driver core allows for struct class to be in read-only
memory, making all 'class' structures to be declared at build time
placing them into read-only memory, instead of having to be dynamically
allocated at load time.
Cc: Jason Gunthorpe <jgg@ziepe.ca>
Cc: Leon Romanovsky <leon@kernel.org>
Cc: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Cc: "Md. Haris Iqbal" <haris.iqbal@ionos.com>
Cc: Jack Wang <jinpu.wang@ionos.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Yishai Hadas <yishaih@nvidia.com>
Cc: Ivan Orlov <ivan.orlov0322@gmail.com>
Cc: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Suggested-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Ivan Orlov <ivan.orlov0322@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/2023080427-commuting-crewless-cbee@gregkh
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Diffstat (limited to 'drivers/infiniband/hw/qib')
| -rw-r--r-- | drivers/infiniband/hw/qib/qib_file_ops.c | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/drivers/infiniband/hw/qib/qib_file_ops.c b/drivers/infiniband/hw/qib/qib_file_ops.c index ef85bc8d9384..152952127f13 100644 --- a/drivers/infiniband/hw/qib/qib_file_ops.c +++ b/drivers/infiniband/hw/qib/qib_file_ops.c @@ -2250,7 +2250,9 @@ static ssize_t qib_write_iter(struct kiocb *iocb, struct iov_iter *from) return qib_user_sdma_writev(rcd, pq, iter_iov(from), from->nr_segs); } -static struct class *qib_class; +static const struct class qib_class = { + .name = "ipath", +}; static dev_t qib_dev; int qib_cdev_init(int minor, const char *name, @@ -2281,7 +2283,7 @@ int qib_cdev_init(int minor, const char *name, goto err_cdev; } - device = device_create(qib_class, NULL, dev, NULL, "%s", name); + device = device_create(&qib_class, NULL, dev, NULL, "%s", name); if (!IS_ERR(device)) goto done; ret = PTR_ERR(device); @@ -2325,9 +2327,8 @@ int __init qib_dev_init(void) goto done; } - qib_class = class_create("ipath"); - if (IS_ERR(qib_class)) { - ret = PTR_ERR(qib_class); + ret = class_register(&qib_class); + if (ret) { pr_err("Could not create device class (err %d)\n", -ret); unregister_chrdev_region(qib_dev, QIB_NMINORS); } @@ -2338,10 +2339,8 @@ done: void qib_dev_cleanup(void) { - if (qib_class) { - class_destroy(qib_class); - qib_class = NULL; - } + if (class_is_registered(&qib_class)) + class_unregister(&qib_class); unregister_chrdev_region(qib_dev, QIB_NMINORS); } |