summaryrefslogtreecommitdiff
path: root/drivers/media
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/media')
-rw-r--r--drivers/media/v4l2-core/v4l2-async.c5
-rw-r--r--drivers/media/v4l2-core/v4l2-ctrls.c26
-rw-r--r--drivers/media/v4l2-core/v4l2-event.c8
-rw-r--r--drivers/media/v4l2-core/v4l2-ioctl.c7
-rw-r--r--drivers/media/v4l2-core/v4l2-subdev.c8
-rw-r--r--drivers/media/v4l2-core/videobuf2-dma-sg.c8
6 files changed, 35 insertions, 27 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c
index c16200c88417..851f128eba22 100644
--- a/drivers/media/v4l2-core/v4l2-async.c
+++ b/drivers/media/v4l2-core/v4l2-async.c
@@ -12,6 +12,7 @@
#include <linux/err.h>
#include <linux/i2c.h>
#include <linux/list.h>
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/mutex.h>
#include <linux/of.h>
@@ -210,7 +211,7 @@ void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)
if (!notifier->v4l2_dev)
return;
- dev = kmalloc_array(n_subdev, sizeof(*dev), GFP_KERNEL);
+ dev = kvmalloc_array(n_subdev, sizeof(*dev), GFP_KERNEL);
if (!dev) {
dev_err(notifier->v4l2_dev->dev,
"Failed to allocate device cache!\n");
@@ -266,7 +267,7 @@ void v4l2_async_notifier_unregister(struct v4l2_async_notifier *notifier)
}
put_device(d);
}
- kfree(dev);
+ kvfree(dev);
notifier->v4l2_dev = NULL;
diff --git a/drivers/media/v4l2-core/v4l2-ctrls.c b/drivers/media/v4l2-core/v4l2-ctrls.c
index 36eede3ff098..dd1db678718c 100644
--- a/drivers/media/v4l2-core/v4l2-ctrls.c
+++ b/drivers/media/v4l2-core/v4l2-ctrls.c
@@ -19,6 +19,7 @@
*/
#include <linux/ctype.h>
+#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/export.h>
#include <media/v4l2-ioctl.h>
@@ -1746,8 +1747,9 @@ int v4l2_ctrl_handler_init_class(struct v4l2_ctrl_handler *hdl,
INIT_LIST_HEAD(&hdl->ctrls);
INIT_LIST_HEAD(&hdl->ctrl_refs);
hdl->nr_of_buckets = 1 + nr_of_controls_hint / 8;
- hdl->buckets = kcalloc(hdl->nr_of_buckets, sizeof(hdl->buckets[0]),
- GFP_KERNEL);
+ hdl->buckets = kvmalloc_array(hdl->nr_of_buckets,
+ sizeof(hdl->buckets[0]),
+ GFP_KERNEL | __GFP_ZERO);
hdl->error = hdl->buckets ? 0 : -ENOMEM;
return hdl->error;
}
@@ -1774,9 +1776,9 @@ void v4l2_ctrl_handler_free(struct v4l2_ctrl_handler *hdl)
list_del(&ctrl->node);
list_for_each_entry_safe(sev, next_sev, &ctrl->ev_subs, node)
list_del(&sev->node);
- kfree(ctrl);
+ kvfree(ctrl);
}
- kfree(hdl->buckets);
+ kvfree(hdl->buckets);
hdl->buckets = NULL;
hdl->cached = NULL;
hdl->error = 0;
@@ -2024,7 +2026,7 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
is_array)
sz_extra += 2 * tot_ctrl_size;
- ctrl = kzalloc(sizeof(*ctrl) + sz_extra, GFP_KERNEL);
+ ctrl = kvzalloc(sizeof(*ctrl) + sz_extra, GFP_KERNEL);
if (ctrl == NULL) {
handler_set_err(hdl, -ENOMEM);
return NULL;
@@ -2073,7 +2075,7 @@ static struct v4l2_ctrl *v4l2_ctrl_new(struct v4l2_ctrl_handler *hdl,
}
if (handler_new_ref(hdl, ctrl)) {
- kfree(ctrl);
+ kvfree(ctrl);
return NULL;
}
mutex_lock(hdl->lock);
@@ -2843,8 +2845,8 @@ int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs
return class_check(hdl, cs->which);
if (cs->count > ARRAY_SIZE(helper)) {
- helpers = kmalloc_array(cs->count, sizeof(helper[0]),
- GFP_KERNEL);
+ helpers = kvmalloc_array(cs->count, sizeof(helper[0]),
+ GFP_KERNEL);
if (helpers == NULL)
return -ENOMEM;
}
@@ -2896,7 +2898,7 @@ int v4l2_g_ext_ctrls(struct v4l2_ctrl_handler *hdl, struct v4l2_ext_controls *cs
}
if (cs->count > ARRAY_SIZE(helper))
- kfree(helpers);
+ kvfree(helpers);
return ret;
}
EXPORT_SYMBOL(v4l2_g_ext_ctrls);
@@ -3098,8 +3100,8 @@ static int try_set_ext_ctrls(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
return class_check(hdl, cs->which);
if (cs->count > ARRAY_SIZE(helper)) {
- helpers = kmalloc_array(cs->count, sizeof(helper[0]),
- GFP_KERNEL);
+ helpers = kvmalloc_array(cs->count, sizeof(helper[0]),
+ GFP_KERNEL);
if (!helpers)
return -ENOMEM;
}
@@ -3176,7 +3178,7 @@ static int try_set_ext_ctrls(struct v4l2_fh *fh, struct v4l2_ctrl_handler *hdl,
}
if (cs->count > ARRAY_SIZE(helper))
- kfree(helpers);
+ kvfree(helpers);
return ret;
}
diff --git a/drivers/media/v4l2-core/v4l2-event.c b/drivers/media/v4l2-core/v4l2-event.c
index a75df6cb141f..968c2eb08b5a 100644
--- a/drivers/media/v4l2-core/v4l2-event.c
+++ b/drivers/media/v4l2-core/v4l2-event.c
@@ -21,6 +21,7 @@
#include <media/v4l2-fh.h>
#include <media/v4l2-event.h>
+#include <linux/mm.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/export.h>
@@ -214,7 +215,8 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
if (elems < 1)
elems = 1;
- sev = kzalloc(sizeof(*sev) + sizeof(struct v4l2_kevent) * elems, GFP_KERNEL);
+ sev = kvzalloc(sizeof(*sev) + sizeof(struct v4l2_kevent) * elems,
+ GFP_KERNEL);
if (!sev)
return -ENOMEM;
for (i = 0; i < elems; i++)
@@ -232,7 +234,7 @@ int v4l2_event_subscribe(struct v4l2_fh *fh,
spin_unlock_irqrestore(&fh->vdev->fh_lock, flags);
if (found_ev) {
- kfree(sev);
+ kvfree(sev);
return 0; /* Already listening */
}
@@ -304,7 +306,7 @@ int v4l2_event_unsubscribe(struct v4l2_fh *fh,
if (sev && sev->ops && sev->ops->del)
sev->ops->del(sev);
- kfree(sev);
+ kvfree(sev);
return 0;
}
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index ce40183d9daa..6eabd915aff6 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -12,6 +12,7 @@
* Mauro Carvalho Chehab <mchehab@infradead.org> (version 2)
*/
+#include <linux/mm.h>
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/types.h>
@@ -2817,7 +2818,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
parg = sbuf;
} else {
/* too big to allocate from stack */
- mbuf = kmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
+ mbuf = kvmalloc(_IOC_SIZE(cmd), GFP_KERNEL);
if (NULL == mbuf)
return -ENOMEM;
parg = mbuf;
@@ -2866,7 +2867,7 @@ video_usercopy(struct file *file, unsigned int cmd, unsigned long arg,
* array) fits into sbuf (so that mbuf will still remain
* unused up to here).
*/
- mbuf = kmalloc(array_size, GFP_KERNEL);
+ mbuf = kvmalloc(array_size, GFP_KERNEL);
err = -ENOMEM;
if (NULL == mbuf)
goto out_array_args;
@@ -2911,7 +2912,7 @@ out_array_args:
}
out:
- kfree(mbuf);
+ kvfree(mbuf);
return err;
}
EXPORT_SYMBOL(video_usercopy);
diff --git a/drivers/media/v4l2-core/v4l2-subdev.c b/drivers/media/v4l2-core/v4l2-subdev.c
index da78497ae5ed..43fefa73e0a3 100644
--- a/drivers/media/v4l2-core/v4l2-subdev.c
+++ b/drivers/media/v4l2-core/v4l2-subdev.c
@@ -17,6 +17,7 @@
*/
#include <linux/ioctl.h>
+#include <linux/mm.h>
#include <linux/slab.h>
#include <linux/types.h>
#include <linux/videodev2.h>
@@ -577,13 +578,14 @@ v4l2_subdev_alloc_pad_config(struct v4l2_subdev *sd)
if (!sd->entity.num_pads)
return NULL;
- cfg = kcalloc(sd->entity.num_pads, sizeof(*cfg), GFP_KERNEL);
+ cfg = kvmalloc_array(sd->entity.num_pads, sizeof(*cfg),
+ GFP_KERNEL | __GFP_ZERO);
if (!cfg)
return NULL;
ret = v4l2_subdev_call(sd, pad, init_cfg, cfg);
if (ret < 0 && ret != -ENOIOCTLCMD) {
- kfree(cfg);
+ kvfree(cfg);
return NULL;
}
@@ -593,7 +595,7 @@ EXPORT_SYMBOL_GPL(v4l2_subdev_alloc_pad_config);
void v4l2_subdev_free_pad_config(struct v4l2_subdev_pad_config *cfg)
{
- kfree(cfg);
+ kvfree(cfg);
}
EXPORT_SYMBOL_GPL(v4l2_subdev_free_pad_config);
#endif /* CONFIG_MEDIA_CONTROLLER */
diff --git a/drivers/media/v4l2-core/videobuf2-dma-sg.c b/drivers/media/v4l2-core/videobuf2-dma-sg.c
index 8e8798a74760..5defa1f22ca2 100644
--- a/drivers/media/v4l2-core/videobuf2-dma-sg.c
+++ b/drivers/media/v4l2-core/videobuf2-dma-sg.c
@@ -120,8 +120,8 @@ static void *vb2_dma_sg_alloc(struct device *dev, unsigned long dma_attrs,
buf->num_pages = size >> PAGE_SHIFT;
buf->dma_sgt = &buf->sg_table;
- buf->pages = kzalloc(buf->num_pages * sizeof(struct page *),
- GFP_KERNEL);
+ buf->pages = kvmalloc_array(buf->num_pages, sizeof(struct page *),
+ GFP_KERNEL | __GFP_ZERO);
if (!buf->pages)
goto fail_pages_array_alloc;
@@ -165,7 +165,7 @@ fail_table_alloc:
while (num_pages--)
__free_page(buf->pages[num_pages]);
fail_pages_alloc:
- kfree(buf->pages);
+ kvfree(buf->pages);
fail_pages_array_alloc:
kfree(buf);
return ERR_PTR(-ENOMEM);
@@ -187,7 +187,7 @@ static void vb2_dma_sg_put(void *buf_priv)
sg_free_table(buf->dma_sgt);
while (--i >= 0)
__free_page(buf->pages[i]);
- kfree(buf->pages);
+ kvfree(buf->pages);
put_device(buf->dev);
kfree(buf);
}
generated by cgit (git 2.34.1) at 2024-06-12 19:12:27 +0000