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If a USERPTR address that is not aligned to page boundary is passed to the videobuf_dma_contig_user_get() function, it saves a page aligned address to the dma_handle. This is not correct. This issue is observed when using USERPTR IO machism for buffer exchange. Updates from last version:- Adding offset for size calculation as per comment from Magnus Damm. This ensures the last page is also included for checking if memory is contiguous. Signed-off-by: Muralidharan Karicheri <m-karicheri2@ti.com> Acked-by: Magnus Damm <damm@opensource.se> Signed-off-by: Douglas Schilling Landgraf <dougsland@redhat.com> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com> |
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video | ||
Kconfig | ||
Makefile |