Messages in this thread | | | Date | Wed, 22 Nov 2023 19:58:00 +0100 | Subject | Re: [PATCH] dma-buf: Correct the documentation of name and exp_name symbols | From | Christian König <> |
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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@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
> --- > 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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