diff options
author | Maxime Ripard <maxime@cerno.tech> | 2022-04-05 11:06:58 +0200 |
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committer | Maxime Ripard <maxime@cerno.tech> | 2022-04-05 11:06:58 +0200 |
commit | 9cbbd694a58bdf24def2462276514c90cab7cf80 (patch) | |
tree | 98a504890134d34631a6a0ecbce94d3f1ecc21fc /drivers/dma-buf | |
parent | dma-buf: finally make dma_resv_excl_fence private v2 (diff) | |
parent | Linux 5.18-rc1 (diff) | |
download | linux-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.c | 22 | ||||
-rw-r--r-- | drivers/dma-buf/dma-heap.c | 2 | ||||
-rw-r--r-- | drivers/dma-buf/heaps/cma_heap.c | 10 | ||||
-rw-r--r-- | drivers/dma-buf/heaps/system_heap.c | 10 |
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) |