Am 29.11.23 um 22:18 schrieb Alex Deucher:
On Wed, Nov 22, 2023 at 1:58 PM Christian König
<christian.koe...@amd.com> wrote:
Am 22.11.23 um 17:05 schrieb Ramesh Errabolu:
Fix the documentation of struct dma_buf members name and exp_name
as to how these members are to be used and accessed.
Signed-off-by: Ramesh Errabolu <ramesh.errab...@amd.com>
Reviewed-by: Christian König <christian.koe...@amd.com>
Please apply this to drm-misc.
Done, thanks for the reminder.
Christian.
Alex
---
include/linux/dma-buf.h | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 3f31baa3293f..8ff4add71f88 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -343,16 +343,19 @@ struct dma_buf {
/**
* @exp_name:
*
- * Name of the exporter; useful for debugging. See the
- * DMA_BUF_SET_NAME IOCTL.
+ * Name of the exporter; useful for debugging. Must not be NULL
*/
const char *exp_name;
/**
* @name:
*
- * Userspace-provided name; useful for accounting and debugging,
- * protected by dma_resv_lock() on @resv and @name_lock for read access.
+ * Userspace-provided name. Default value is NULL. If not NULL,
+ * length cannot be longer than DMA_BUF_NAME_LEN, including NIL
+ * char. Useful for accounting and debugging. Read/Write accesses
+ * are protected by @name_lock
+ *
+ * See the IOCTLs DMA_BUF_SET_NAME or DMA_BUF_SET_NAME_A/B
*/
const char *name;
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