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path: root/drivers/cdrom
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Diffstat (limited to 'drivers/cdrom')
-rw-r--r--drivers/cdrom/cdrom.c13
-rw-r--r--drivers/cdrom/gdrom.c21
2 files changed, 18 insertions, 16 deletions
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index a5e07270e0d4..b163e043c687 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -1106,7 +1106,7 @@ int open_for_data(struct cdrom_device_info *cdi)
}
}
- cd_dbg(CD_OPEN, "all seems well, opening the devicen");
+ cd_dbg(CD_OPEN, "all seems well, opening the device\n");
/* all seems well, we can open the device */
ret = cdo->open(cdi, 0); /* open for data */
@@ -2313,7 +2313,7 @@ static int cdrom_ioctl_media_changed(struct cdrom_device_info *cdi,
return -EINVAL;
/* Prevent arg from speculatively bypassing the length check */
- barrier_nospec();
+ arg = array_index_nospec(arg, cdi->capacity);
info = kmalloc(sizeof(*info), GFP_KERNEL);
if (!info)
@@ -2358,7 +2358,7 @@ static int cdrom_ioctl_timed_media_change(struct cdrom_device_info *cdi,
return -EFAULT;
tmp_info.media_flags = 0;
- if (tmp_info.last_media_change - cdi->last_media_change_ms < 0)
+ if (cdi->last_media_change_ms > tmp_info.last_media_change)
tmp_info.media_flags |= MEDIA_CHANGED_FLAG;
tmp_info.last_media_change = cdi->last_media_change_ms;
@@ -3473,7 +3473,7 @@ static int cdrom_print_info(const char *header, int val, char *info,
return 0;
}
-static int cdrom_sysctl_info(struct ctl_table *ctl, int write,
+static int cdrom_sysctl_info(const struct ctl_table *ctl, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
int pos;
@@ -3586,7 +3586,7 @@ static void cdrom_update_settings(void)
mutex_unlock(&cdrom_mutex);
}
-static int cdrom_sysctl_handler(struct ctl_table *ctl, int write,
+static int cdrom_sysctl_handler(const struct ctl_table *ctl, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
@@ -3612,7 +3612,7 @@ static int cdrom_sysctl_handler(struct ctl_table *ctl, int write,
}
/* Place files in /proc/sys/dev/cdrom */
-static struct ctl_table cdrom_table[] = {
+static const struct ctl_table cdrom_table[] = {
{
.procname = "info",
.data = &cdrom_sysctl_settings.info,
@@ -3708,4 +3708,5 @@ static void __exit cdrom_exit(void)
module_init(cdrom_init);
module_exit(cdrom_exit);
+MODULE_DESCRIPTION("Uniform CD-ROM driver");
MODULE_LICENSE("GPL");
diff --git a/drivers/cdrom/gdrom.c b/drivers/cdrom/gdrom.c
index d668b174ace9..85aceab5eac6 100644
--- a/drivers/cdrom/gdrom.c
+++ b/drivers/cdrom/gdrom.c
@@ -724,11 +724,6 @@ static void probe_gdrom_setupdisk(void)
static int probe_gdrom_setupqueue(void)
{
- blk_queue_logical_block_size(gd.gdrom_rq, GDROM_HARD_SECTOR);
- /* using DMA so memory will need to be contiguous */
- blk_queue_max_segments(gd.gdrom_rq, 1);
- /* set a large max size to get most from DMA */
- blk_queue_max_segment_size(gd.gdrom_rq, 0x40000);
gd.disk->queue = gd.gdrom_rq;
return gdrom_init_dma_mode();
}
@@ -743,6 +738,14 @@ static const struct blk_mq_ops gdrom_mq_ops = {
*/
static int probe_gdrom(struct platform_device *devptr)
{
+ struct queue_limits lim = {
+ .logical_block_size = GDROM_HARD_SECTOR,
+ /* using DMA so memory will need to be contiguous */
+ .max_segments = 1,
+ /* set a large max size to get most from DMA */
+ .max_segment_size = 0x40000,
+ .features = BLK_FEAT_ROTATIONAL,
+ };
int err;
/*
@@ -774,11 +777,11 @@ static int probe_gdrom(struct platform_device *devptr)
probe_gdrom_setupcd();
err = blk_mq_alloc_sq_tag_set(&gd.tag_set, &gdrom_mq_ops, 1,
- BLK_MQ_F_SHOULD_MERGE | BLK_MQ_F_BLOCKING);
+ BLK_MQ_F_BLOCKING);
if (err)
goto probe_fail_free_cd_info;
- gd.disk = blk_mq_alloc_disk(&gd.tag_set, NULL);
+ gd.disk = blk_mq_alloc_disk(&gd.tag_set, &lim, NULL);
if (IS_ERR(gd.disk)) {
err = PTR_ERR(gd.disk);
goto probe_fail_free_tag_set;
@@ -829,7 +832,7 @@ probe_fail_no_mem:
return err;
}
-static int remove_gdrom(struct platform_device *devptr)
+static void remove_gdrom(struct platform_device *devptr)
{
blk_mq_free_tag_set(&gd.tag_set);
free_irq(HW_EVENT_GDROM_CMD, &gd);
@@ -840,8 +843,6 @@ static int remove_gdrom(struct platform_device *devptr)
unregister_cdrom(gd.cd_info);
kfree(gd.cd_info);
kfree(gd.toc);
-
- return 0;
}
static struct platform_driver gdrom_driver = {