powerpc/procfs: Propagate error of remap_pfn_range()

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If the operation fails and userspace is unaware it will access unmapped
memory, crashing the process.

Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20241010-vdso-generic-base-v1-22-b64f0842d512@linutronix.de

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Thomas Weißschuh 2024-10-10 09:01:24 +02:00 • committed by Thomas Gleixner

parent e449c83ac5

commit d4526a2d2d

1 changed files with 3 additions and 4 deletions

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arch/powerpc/kernel/proc_powerpc.c

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