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Use helper functions buffer_next and buffer_prev instead
of list_entry to get the next and previous buffers.
Signed-off-by: Sherry Yang <sherryy@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Display information about allocated/free space whenever
binder buffer allocation fails on synchronous
transactions.
Signed-off-by: Martijn Coenen <maco@android.com>
Signed-off-by: Siqi Lin <siqilin@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adds protection against malicious user code freeing
the same buffer at the same time which could cause
a crash. Cannot happen under normal use.
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add additional information to determine the cause of binder
failures. Adds the following to failed transaction log and
kernel messages:
return_error : value returned for transaction
return_error_param : errno returned by binder allocator
return_error_line : line number where error detected
Also, return BR_DEAD_REPLY if an allocation error indicates
a dead proc (-ESRCH)
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Move the binder allocator functionality to its own file
Continuation of splitting the binder allocator from the binder
driver. Split binder_alloc functions from normal binder functions.
Add kernel doc comments to functions declared extern in
binder_alloc.h
Signed-off-by: Todd Kjos <tkjos@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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