On Fri, May 08, 2015 at 07:12:43PM +0530, Sumit Semwal wrote: > Add reference counting on a kernel module that exports dma-buf and > implements its operations. This prevents the module from being unloaded > while DMABUF file is in use. > > The original patch [1] was submitted by Tomasz Stanislawski, but this > is a simpler way to do it. > > v3: call module_put() as late as possible, per gregkh's comment. > v2: move owner to struct dma_buf, and use DEFINE_DMA_BUF_EXPORT_INFO > macro to simplify the change. > > Signed-off-by: Sumit Semwal <sumit.semwal@xxxxxxxxxx> > > [1]: https://lkml.org/lkml/2012/8/8/163 > --- > drivers/dma-buf/dma-buf.c | 10 +++++++++- > include/linux/dma-buf.h | 10 ++++++++-- > 2 files changed, 17 insertions(+), 3 deletions(-) Acked-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
