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This reverts commit 814a3a1df3e6 ("rbtree: Detect left/right
pointer assignments that would cause loops").
Bug: 38121882
Change-Id: I012c37328b92791bd0b1e618c8de1ff19f8f987a
Signed-off-by: Siqi Lin <siqilin@google.com>
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Add checks before all left/right pointer assignments to verify that
the pointer value being assigned isn't the same node as the left/right
pointer. This is a BUG_ON() because we want to get a crash dump as
close to the source of the corruption as possible. Once the red-black
tree is corrupted, the kernel will eventually crash anyway and by
then the root cause will be gone.
Bug: 38121882
Change-Id: Ifa59c08d5bd2218e667e4c08162fffbaf388628a
Signed-off-by: Siqi Lin <siqilin@google.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux
Pull cleanup of fs/ and lib/ users of module.h from Paul Gortmaker:
"Fix up files in fs/ and lib/ dirs to only use module.h if they really
need it.
These are trivial in scope vs the work done previously. We now have
things where any few remaining cleanups can be farmed out to arch or
subsystem maintainers, and I have done so when possible. What is
remaining here represents the bits that don't clearly lie within a
single arch/subsystem boundary, like the fs dir and the lib dir.
Some duplicate includes arising from overlapping fixes from
independent subsystem maintainer submissions are also quashed."
Fix up trivial conflicts due to clashes with other include file cleanups
(including some due to the previous bug.h cleanup pull).
* tag 'module-for-3.4' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux:
lib: reduce the use of module.h wherever possible
fs: reduce the use of module.h wherever possible
includecheck: delete any duplicate instances of module.h
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For files only using THIS_MODULE and/or EXPORT_SYMBOL, map
them onto including export.h -- or if the file isn't even
using those, then just delete the include. Fix up any implicit
include dependencies that were being masked by module.h along
the way.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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With bug.h currently living right in linux/kernel.h there
are files that use BUG_ON and friends but are not including
the header explicitly. Fix them up so we can remove the
presence in kernel.h file.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
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Fixes generated by 'codespell' and manually reviewed.
Signed-off-by: Lucas De Marchi <lucas.demarchi@profusion.mobi>
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No point in calling a function just to dereference a pointer.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: John Stultz <john.stultz@linaro.org>
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Adds missed EXPORT_SYMBOL lines that cause the following build
failures with allmodconfig:
ERROR: "timerqueue_add" [drivers/rtc/rtc-core.ko] undefined!
ERROR: "timerqueue_getnext" [drivers/rtc/rtc-core.ko] undefined!
ERROR: "timerqueue_del" [drivers/rtc/rtc-core.ko] undefined!
Reported-by: Ingo Molnar <mingo@elte.hu>
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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Thomas pointed out a namespace collision between the new timerlist
infrastructure I introduced and the existing timer_list.c
So to avoid confusion, I've renamed the timerlist infrastructure
to timerqueue.
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: John Stultz <john.stultz@linaro.org>
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