summaryrefslogtreecommitdiffstats
path: root/drivers/dma-buf
diff options
context:
space:
mode:
authorMaxime Ripard <maxime@cerno.tech>2022-04-05 11:06:58 +0200
committerMaxime Ripard <maxime@cerno.tech>2022-04-05 11:06:58 +0200
commit9cbbd694a58bdf24def2462276514c90cab7cf80 (patch)
tree98a504890134d34631a6a0ecbce94d3f1ecc21fc /drivers/dma-buf
parentdma-buf: finally make dma_resv_excl_fence private v2 (diff)
parentLinux 5.18-rc1 (diff)
downloadlinux-9cbbd694a58bdf24def2462276514c90cab7cf80.tar.xz
linux-9cbbd694a58bdf24def2462276514c90cab7cf80.zip
Merge drm/drm-next into drm-misc-next
Let's start the 5.19 development cycle. Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Diffstat (limited to 'drivers/dma-buf')
-rw-r--r--drivers/dma-buf/dma-buf.c22
-rw-r--r--drivers/dma-buf/dma-heap.c2
-rw-r--r--drivers/dma-buf/heaps/cma_heap.c10
-rw-r--r--drivers/dma-buf/heaps/system_heap.c10
4 files changed, 23 insertions, 21 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c
index 33995ec3218a..775d3afb4169 100644
--- a/drivers/dma-buf/dma-buf.c
+++ b/drivers/dma-buf/dma-buf.c
@@ -1047,8 +1047,8 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_move_notify, DMA_BUF);
*
* Interfaces::
*
- * void \*dma_buf_vmap(struct dma_buf \*dmabuf, struct dma_buf_map \*map)
- * void dma_buf_vunmap(struct dma_buf \*dmabuf, struct dma_buf_map \*map)
+ * void \*dma_buf_vmap(struct dma_buf \*dmabuf, struct iosys_map \*map)
+ * void dma_buf_vunmap(struct dma_buf \*dmabuf, struct iosys_map \*map)
*
* The vmap call can fail if there is no vmap support in the exporter, or if
* it runs out of vmalloc space. Note that the dma-buf layer keeps a reference
@@ -1260,12 +1260,12 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_mmap, DMA_BUF);
*
* Returns 0 on success, or a negative errno code otherwise.
*/
-int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+int dma_buf_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
- struct dma_buf_map ptr;
+ struct iosys_map ptr;
int ret = 0;
- dma_buf_map_clear(map);
+ iosys_map_clear(map);
if (WARN_ON(!dmabuf))
return -EINVAL;
@@ -1276,12 +1276,12 @@ int dma_buf_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
mutex_lock(&dmabuf->lock);
if (dmabuf->vmapping_counter) {
dmabuf->vmapping_counter++;
- BUG_ON(dma_buf_map_is_null(&dmabuf->vmap_ptr));
+ BUG_ON(iosys_map_is_null(&dmabuf->vmap_ptr));
*map = dmabuf->vmap_ptr;
goto out_unlock;
}
- BUG_ON(dma_buf_map_is_set(&dmabuf->vmap_ptr));
+ BUG_ON(iosys_map_is_set(&dmabuf->vmap_ptr));
ret = dmabuf->ops->vmap(dmabuf, &ptr);
if (WARN_ON_ONCE(ret))
@@ -1303,20 +1303,20 @@ EXPORT_SYMBOL_NS_GPL(dma_buf_vmap, DMA_BUF);
* @dmabuf: [in] buffer to vunmap
* @map: [in] vmap pointer to vunmap
*/
-void dma_buf_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+void dma_buf_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
if (WARN_ON(!dmabuf))
return;
- BUG_ON(dma_buf_map_is_null(&dmabuf->vmap_ptr));
+ BUG_ON(iosys_map_is_null(&dmabuf->vmap_ptr));
BUG_ON(dmabuf->vmapping_counter == 0);
- BUG_ON(!dma_buf_map_is_equal(&dmabuf->vmap_ptr, map));
+ BUG_ON(!iosys_map_is_equal(&dmabuf->vmap_ptr, map));
mutex_lock(&dmabuf->lock);
if (--dmabuf->vmapping_counter == 0) {
if (dmabuf->ops->vunmap)
dmabuf->ops->vunmap(dmabuf, map);
- dma_buf_map_clear(&dmabuf->vmap_ptr);
+ iosys_map_clear(&dmabuf->vmap_ptr);
}
mutex_unlock(&dmabuf->lock);
}
diff --git a/drivers/dma-buf/dma-heap.c b/drivers/dma-buf/dma-heap.c
index 56bf5ad01ad5..8f5848aa144f 100644
--- a/drivers/dma-buf/dma-heap.c
+++ b/drivers/dma-buf/dma-heap.c
@@ -14,6 +14,7 @@
#include <linux/xarray.h>
#include <linux/list.h>
#include <linux/slab.h>
+#include <linux/nospec.h>
#include <linux/uaccess.h>
#include <linux/syscalls.h>
#include <linux/dma-heap.h>
@@ -135,6 +136,7 @@ static long dma_heap_ioctl(struct file *file, unsigned int ucmd,
if (nr >= ARRAY_SIZE(dma_heap_ioctl_cmds))
return -EINVAL;
+ nr = array_index_nospec(nr, ARRAY_SIZE(dma_heap_ioctl_cmds));
/* Get the kernel ioctl cmd that matches */
kcmd = dma_heap_ioctl_cmds[nr];
diff --git a/drivers/dma-buf/heaps/cma_heap.c b/drivers/dma-buf/heaps/cma_heap.c
index 83f02bd51dda..28fb04eccdd0 100644
--- a/drivers/dma-buf/heaps/cma_heap.c
+++ b/drivers/dma-buf/heaps/cma_heap.c
@@ -202,7 +202,7 @@ static void *cma_heap_do_vmap(struct cma_heap_buffer *buffer)
return vaddr;
}
-static int cma_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static int cma_heap_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct cma_heap_buffer *buffer = dmabuf->priv;
void *vaddr;
@@ -211,7 +211,7 @@ static int cma_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
mutex_lock(&buffer->lock);
if (buffer->vmap_cnt) {
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
goto out;
}
@@ -222,14 +222,14 @@ static int cma_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
}
buffer->vaddr = vaddr;
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
out:
mutex_unlock(&buffer->lock);
return ret;
}
-static void cma_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static void cma_heap_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct cma_heap_buffer *buffer = dmabuf->priv;
@@ -239,7 +239,7 @@ static void cma_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
buffer->vaddr = NULL;
}
mutex_unlock(&buffer->lock);
- dma_buf_map_clear(map);
+ iosys_map_clear(map);
}
static void cma_heap_dma_buf_release(struct dma_buf *dmabuf)
diff --git a/drivers/dma-buf/heaps/system_heap.c b/drivers/dma-buf/heaps/system_heap.c
index ab7fd896d2c4..fcf836ba9c1f 100644
--- a/drivers/dma-buf/heaps/system_heap.c
+++ b/drivers/dma-buf/heaps/system_heap.c
@@ -241,7 +241,7 @@ static void *system_heap_do_vmap(struct system_heap_buffer *buffer)
return vaddr;
}
-static int system_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static int system_heap_vmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct system_heap_buffer *buffer = dmabuf->priv;
void *vaddr;
@@ -250,7 +250,7 @@ static int system_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
mutex_lock(&buffer->lock);
if (buffer->vmap_cnt) {
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
goto out;
}
@@ -262,14 +262,14 @@ static int system_heap_vmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
buffer->vaddr = vaddr;
buffer->vmap_cnt++;
- dma_buf_map_set_vaddr(map, buffer->vaddr);
+ iosys_map_set_vaddr(map, buffer->vaddr);
out:
mutex_unlock(&buffer->lock);
return ret;
}
-static void system_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
+static void system_heap_vunmap(struct dma_buf *dmabuf, struct iosys_map *map)
{
struct system_heap_buffer *buffer = dmabuf->priv;
@@ -279,7 +279,7 @@ static void system_heap_vunmap(struct dma_buf *dmabuf, struct dma_buf_map *map)
buffer->vaddr = NULL;
}
mutex_unlock(&buffer->lock);
- dma_buf_map_clear(map);
+ iosys_map_clear(map);
}
static void system_heap_dma_buf_release(struct dma_buf *dmabuf)