From: Benjamin Gray Date: Wed, 11 Oct 2023 05:37:00 +0000 (+1100) Subject: powerpc/xive: Fix endian conversion size X-Git-Tag: v6.1.68~848 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=0f8dabe79a98c0d7010aae37e1863440e884e43b;p=platform%2Fkernel%2Flinux-starfive.git powerpc/xive: Fix endian conversion size [ Upstream commit ff7a60ab1e065257a0e467c13b519f4debcd7fcf ] Sparse reports a size mismatch in the endian swap. The Opal implementation[1] passes the value as a __be64, and the receiving variable out_qsize is a u64, so the use of be32_to_cpu() appears to be an error. [1]: https://github.com/open-power/skiboot/blob/80e2b1dc73/hw/xive.c#L3854 Fixes: 88ec6b93c8e7 ("powerpc/xive: add OPAL extensions for the XIVE native exploitation support") Signed-off-by: Benjamin Gray Signed-off-by: Michael Ellerman Link: https://msgid.link/20231011053711.93427-2-bgray@linux.ibm.com Signed-off-by: Sasha Levin --- diff --git a/arch/powerpc/sysdev/xive/native.c b/arch/powerpc/sysdev/xive/native.c index 3925825..e5baa91 100644 --- a/arch/powerpc/sysdev/xive/native.c +++ b/arch/powerpc/sysdev/xive/native.c @@ -804,7 +804,7 @@ int xive_native_get_queue_info(u32 vp_id, u32 prio, if (out_qpage) *out_qpage = be64_to_cpu(qpage); if (out_qsize) - *out_qsize = be32_to_cpu(qsize); + *out_qsize = be64_to_cpu(qsize); if (out_qeoi_page) *out_qeoi_page = be64_to_cpu(qeoi_page); if (out_escalate_irq)