Re: [Linaro-mm-sig] Re: [PATCH] dma-buf: Correct the documentation of name and exp_name symbols

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Am 29.11.23 um 22:18 schrieb Alex Deucher:
On Wed, Nov 22, 2023 at 1:58 PM Christian König
<christian.koenig@xxxxxxx> 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.Errabolu@xxxxxxx>
Reviewed-by: Christian König <christian.koenig@xxxxxxx>
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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