diff options
Diffstat (limited to 'drivers/dma-buf/dma-buf.c')
-rw-r--r-- | drivers/dma-buf/dma-buf.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/drivers/dma-buf/dma-buf.c b/drivers/dma-buf/dma-buf.c index 63a9914..155c146 100644 --- a/drivers/dma-buf/dma-buf.c +++ b/drivers/dma-buf/dma-buf.c @@ -287,6 +287,7 @@ struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info) struct reservation_object *resv = exp_info->resv; struct file *file; size_t alloc_size = sizeof(struct dma_buf); + if (!exp_info->resv) alloc_size += sizeof(struct reservation_object); else @@ -553,7 +554,8 @@ int dma_buf_begin_cpu_access(struct dma_buf *dmabuf, size_t start, size_t len, return -EINVAL; if (dmabuf->ops->begin_cpu_access) - ret = dmabuf->ops->begin_cpu_access(dmabuf, start, len, direction); + ret = dmabuf->ops->begin_cpu_access(dmabuf, start, + len, direction); return ret; } @@ -657,7 +659,7 @@ EXPORT_SYMBOL_GPL(dma_buf_kunmap); * @dmabuf: [in] buffer that should back the vma * @vma: [in] vma for the mmap * @pgoff: [in] offset in pages where this mmap should start within the - * dma-buf buffer. + * dma-buf buffer. * * This function adjusts the passed in vma so that it points at the file of the * dma_buf operation. It also adjusts the starting pgoff and does bounds @@ -834,6 +836,7 @@ static int dma_buf_describe(struct seq_file *s) static int dma_buf_show(struct seq_file *s, void *unused) { void (*func)(struct seq_file *) = s->private; + func(s); return 0; } @@ -855,7 +858,9 @@ static struct dentry *dma_buf_debugfs_dir; static int dma_buf_init_debugfs(void) { int err = 0; + dma_buf_debugfs_dir = debugfs_create_dir("dma_buf", NULL); + if (IS_ERR(dma_buf_debugfs_dir)) { err = PTR_ERR(dma_buf_debugfs_dir); dma_buf_debugfs_dir = NULL; |