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e6f19ab8e4
Patch series "lib min_heap: Improve min_heap safety, testing, and documentation". Improve the min heap implementation by enhancing type safety with container_of, reducing the attack vector by replacing test function calls with inline variants, and adding a brief API introduction in min_heap.h. It also includes author information in Documentation/core-api/min_heap.rst. This patch (of 4): The current implementation of min_heap macros uses explicit casting to min_heap_char *, which prevents the compiler from detecting incorrect pointer types. This can lead to errors if non-min_heap pointers are passed inadvertently. To enhance safety, replace all explicit casts to min_heap_char * with the use of container_of(&(_heap)->nr, min_heap_char, nr). This approach ensures that the _heap parameter is indeed a min_heap_char-compatible structure, allowing the compiler to catch improper usages. Link: https://lkml.kernel.org/r/20241129181222.646855-1-visitorckw@gmail.com Link: https://lore.kernel.org/lkml/CAMuHMdVO5DPuD9HYWBFqKDHphx7+0BEhreUxtVC40A=8p6VAhQ@mail.gmail.com Link: https://lkml.kernel.org/r/20241129181222.646855-2-visitorckw@gmail.com Signed-off-by: Kuan-Wei Chiu <visitorckw@gmail.com> Suggested-by: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Ching-Chun (Jim) Huang <jserv@ccns.ncku.edu.tw> Cc: Jonathan Corbet <corbet@lwn.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> |
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