From e6beb47edb89ca9dc8906515e2dfbeb5913312c8 Mon Sep 17 00:00:00 2001 From: Haoran Liu Date: Mon, 27 Nov 2023 06:41:08 -0800 Subject: powerpc/powernv: Add error handling to opal_prd_range_is_valid In the opal_prd_range_is_valid function within opal-prd.c, error handling was missing for the of_get_address call. This patch adds necessary error checking, ensuring that the function gracefully handles scenarios where of_get_address fails. Signed-off-by: Haoran Liu Signed-off-by: Michael Ellerman Link: https://msgid.link/20231127144108.29782-1-liuhaoran14@163.com --- arch/powerpc/platforms/powernv/opal-prd.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'arch/powerpc') diff --git a/arch/powerpc/platforms/powernv/opal-prd.c b/arch/powerpc/platforms/powernv/opal-prd.c index 327e2f76905d..b66b06efcef1 100644 --- a/arch/powerpc/platforms/powernv/opal-prd.c +++ b/arch/powerpc/platforms/powernv/opal-prd.c @@ -66,6 +66,8 @@ static bool opal_prd_range_is_valid(uint64_t addr, uint64_t size) const char *label; addrp = of_get_address(node, 0, &range_size, NULL); + if (!addrp) + continue; range_addr = of_read_number(addrp, 2); range_end = range_addr + range_size; -- cgit v1.2.3