git: 38b37099bb19 - stable/13 - bhyvectl: do not return garbage from send_message
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Date: Fri, 17 Mar 2023 10:29:26 UTC
The branch stable/13 has been updated by corvink: URL: https://cgit.FreeBSD.org/src/commit/?id=38b37099bb198128b309c08cf4583efd21e72f72 commit 38b37099bb198128b309c08cf4583efd21e72f72 Author: Vitaliy Gusev <gusev.vitaliy@gmail.com> AuthorDate: 2023-03-06 11:27:10 +0000 Commit: Corvin Köhne <corvink@FreeBSD.org> CommitDate: 2023-03-17 10:26:33 +0000 bhyvectl: do not return garbage from send_message err is used uninitialized in some cases. Reviewed by: corvink, markj MFC after: 1 week Sponsored by: vStack Differential Revision: https://reviews.freebsd.org/D38886 (cherry picked from commit 89fe7b98fe45cf56d60d0d4dfa1bfad3ba6908ec) --- usr.sbin/bhyvectl/bhyvectl.c | 8 +++++--- 1 file changed, 5 insertions(+), 3 deletions(-) diff --git a/usr.sbin/bhyvectl/bhyvectl.c b/usr.sbin/bhyvectl/bhyvectl.c index cab1e6d72c56..5efccc085119 100644 --- a/usr.sbin/bhyvectl/bhyvectl.c +++ b/usr.sbin/bhyvectl/bhyvectl.c @@ -1679,12 +1679,12 @@ static int send_message(const char *vmname, nvlist_t *nvl) { struct sockaddr_un addr; - int err, socket_fd; + int err = 0, socket_fd; socket_fd = socket(PF_UNIX, SOCK_STREAM, 0); if (socket_fd < 0) { perror("Error creating bhyvectl socket"); - err = -1; + err = errno; goto done; } @@ -1700,8 +1700,10 @@ send_message(const char *vmname, nvlist_t *nvl) goto done; } - if (nvlist_send(socket_fd, nvl) < 0) + if (nvlist_send(socket_fd, nvl) < 0) { perror("nvlist_send() failed"); + err = errno; + } nvlist_destroy(nvl); done: