qga: add channel path to error messages

It's useful to know which device was used if/when it fails.

channel-win32.c had this since 2015, with
c69403fcd4 ("qemu-ga: debug printouts to
help troubleshoot installation"), this brings channel-posix.c up to
speed.

Signed-off-by: Bjørn Forsman <bjorn.forsman@gmail.com>
Reviewed-by: Konstantin Kostiuk <kkostiuk@redhat.com>
Signed-off-by: Konstantin Kostiuk <kkostiuk@redhat.com>
This commit is contained in:
Bjørn Forsman 2022-10-21 00:03:46 +02:00 committed by Konstantin Kostiuk
parent ffb01cc5d6
commit 3845ffff8b

View File

@ -138,7 +138,7 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path,
0 0
); );
if (fd == -1) { if (fd == -1) {
error_setg_errno(errp, errno, "error opening channel"); error_setg_errno(errp, errno, "error opening channel '%s'", path);
return false; return false;
} }
#ifdef CONFIG_SOLARIS #ifdef CONFIG_SOLARIS
@ -182,7 +182,7 @@ static gboolean ga_channel_open(GAChannel *c, const gchar *path,
assert(fd < 0); assert(fd < 0);
fd = qga_open_cloexec(path, O_RDWR | O_NOCTTY | O_NONBLOCK, 0); fd = qga_open_cloexec(path, O_RDWR | O_NOCTTY | O_NONBLOCK, 0);
if (fd == -1) { if (fd == -1) {
error_setg_errno(errp, errno, "error opening channel"); error_setg_errno(errp, errno, "error opening channel '%s'", path);
return false; return false;
} }
tcgetattr(fd, &tio); tcgetattr(fd, &tio);