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(parent: 41e1992) | patch
watchdog: diag288_wdt: do not use stack buffers for hardware data
authorAlexander Egorenkov <egorenar@linux.ibm.com>
Fri, 27 Jan 2023 13:52:41 +0000 (14:52 +0100)
committerHeiko Carstens <hca@linux.ibm.com>
Mon, 30 Jan 2023 13:40:50 +0000 (14:40 +0100)
commitfe8973a3ad0905cb9ba2d42db42ed51de14737df
tree3b8f426c009305ce6f182eef56bb32ba4ab609bbtree | snapshot
parent41e1992665a2701fa025a8b76970c43b4148446fcommit | diff
watchdog: diag288_wdt: do not use stack buffers for hardware data

With CONFIG_VMAP_STACK=y the stack is allocated from the vmalloc space.
Data passed to a hardware or a hypervisor interface that
requires V=R can no longer be allocated on the stack.

Use kmalloc() to get memory for a diag288 command.

Signed-off-by: Alexander Egorenkov <egorenar@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Cc: <stable@vger.kernel.org>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
drivers/watchdog/diag288_wdt.c diff | blob | history
Domain: System / Kernel;