From: Cédric Le Goater Date: Sat, 15 Jun 2019 08:12:52 +0000 (+0200) Subject: target/ppc: fix compile error in kvmppc_define_rtas_kernel_token() X-Git-Tag: v4.1.0-rc0~26^2~39 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7701aeed0f0162fe9f6d1bb1ccba158b55a2ded4;p=thirdparty%2Fqemu.git target/ppc: fix compile error in kvmppc_define_rtas_kernel_token() gcc9 reports : In file included from /usr/include/string.h:494, from ./include/qemu/osdep.h:101, from ./target/ppc/kvm.c:17: In function ‘strncpy’, inlined from ‘kvmppc_define_rtas_kernel_token’ at ./target/ppc/kvm.c:2648:5: /usr/include/bits/string_fortified.h:106:10: error: ‘__builtin_strncpy’ specified bound 120 equals destination size [-Werror=stringop-truncation] 106 | return __builtin___strncpy_chk (__dest, __src, __len, __bos (__dest)); | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Signed-off-by: Cédric Le Goater Message-Id: <20190615081252.28602-1-clg@kaod.org> Signed-off-by: David Gibson --- diff --git a/target/ppc/kvm.c b/target/ppc/kvm.c index 4b4989c0af5..9014ed029fa 100644 --- a/target/ppc/kvm.c +++ b/target/ppc/kvm.c @@ -2650,7 +2650,7 @@ int kvmppc_define_rtas_kernel_token(uint32_t token, const char *function) return -ENOENT; } - strncpy(args.name, function, sizeof(args.name)); + strncpy(args.name, function, sizeof(args.name) - 1); return kvm_vm_ioctl(kvm_state, KVM_PPC_RTAS_DEFINE_TOKEN, &args); }