Date: Thu, 27 Sep 2018 20:48:07 +0000 (UTC) From: Mateusz Guzik <mjg@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r338989 - head/sys/amd64/amd64 Message-ID: <201809272048.w8RKm7wO041717@repo.freebsd.org>
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Author: mjg Date: Thu Sep 27 20:48:07 2018 New Revision: 338989 URL: https://svnweb.freebsd.org/changeset/base/338989 Log: amd64: fix return value of copyinstr after r338970 The function stopped swapping rdi and rsi, but the error handling code was not updated with the new register name. Approved by: re (implicit) Sponsored by: The FreeBSD Foundation Modified: head/sys/amd64/amd64/support.S Modified: head/sys/amd64/amd64/support.S ============================================================================== --- head/sys/amd64/amd64/support.S Thu Sep 27 20:00:07 2018 (r338988) +++ head/sys/amd64/amd64/support.S Thu Sep 27 20:48:07 2018 (r338989) @@ -1097,7 +1097,7 @@ copyinstr_toolong_smap: copyinstr_toolong: /* rdx is zero - return ENAMETOOLONG or EFAULT */ movq $VM_MAXUSER_ADDRESS,%rax - cmpq %rax,%rsi + cmpq %rax,%rdi jae cpystrflt movl $ENAMETOOLONG,%eax jmp cpystrflt_x
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