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authorHans Verkuil <[email protected]>2022-11-28 08:23:56 +0000
committerMauro Carvalho Chehab <[email protected]>2022-12-06 07:14:31 +0000
commite2fc6edd37ba487c64f4dd09f7118b3e45b12d88 (patch)
tree26266931ca718aa0229833e39b3132bb00607c38 /lib/netdev-notifier-error-inject.c
parent1aba7930c63ea57b4918dc61dcc315f451cec21e (diff)
media: videobuf2: revert "get_userptr: buffers are always writable"
Commit 707947247e95 ("media: videobuf2-vmalloc: get_userptr: buffers are always writable") caused problems in a corner case (passing read-only shmem memory as a userptr). So revert this patch. The original problem for which that commit was originally made is something that I could not reproduce after reverting it. So just go back to the way it was for many years, and if problems arise in the future, then another approach should be taken to resolve it. This patch is based on a patch from Hirokazu. Fixes: 707947247e95 ("media: videobuf2-vmalloc: get_userptr: buffers are always writable") Signed-off-by: Hirokazu Honda <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Acked-by: Tomasz Figa <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Diffstat (limited to 'lib/netdev-notifier-error-inject.c')
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