binder: fix async space check for 0-sized buffers

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commit 3091c21d3e upstream.

Move the padding of 0-sized buffers to an earlier stage to account for
this round up during the alloc->free_async_space check.

Fixes: 74310e06be ("android: binder: Move buffer out of area shared with user space")
Reviewed-by: Alice Ryhl <aliceryhl@google.com>
Signed-off-by: Carlos Llamas <cmllamas@google.com>
Link: https://lore.kernel.org/r/20231201172212.1813387-5-cmllamas@google.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Carlos Llamas 2023-12-01 17:21:33 +00:00 • committed by Greg Kroah-Hartman

parent bdc4a58ab1

commit d2cb381ca9

1 changed files with 4 additions and 3 deletions

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drivers/android/binder_alloc.c

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