PM: hibernate: Don't ignore return from set_memory_ro()

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set_memory_ro() and set_memory_rw() can fail, leaving memory
unprotected.

Take the returned value into account and abort in case of
failure.

Signed-off-by: Christophe Leroy <christophe.leroy@csgroup.eu>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>

...

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Christophe Leroy 2024-02-18 09:40:58 +01:00 • committed by Rafael J. Wysocki

parent 3fec6e5961

commit f4311756a8

4 changed files with 24 additions and 15 deletions

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2

kernel/power/power.h

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25

kernel/power/snapshot.c

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8

kernel/power/swap.c

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4

kernel/power/user.c

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