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cleanup: remove unuable code path

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Eliminate some ancient unreachable code
for historical version of libdm.
This commit is contained in:
Zdenek Kabelac 2024-05-13 11:21:37 +02:00
parent ffdceeb982
commit d25c43c8cd
2 changed files with 2 additions and 34 deletions
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18
device_mapper/ioctl/libdm-iface.c
View File

@ -87,8 +87,6 @@ static int _version_checked = 0;
static int _version_ok = 1;
static unsigned _ioctl_buffer_double_factor = 0;
const int _dm_compat = 0;
/* *INDENT-OFF* */
static const struct cmd_data _cmd_data_v4[] = {
{"create", DM_DEV_CREATE, {4, 0, 0}},
@ -597,23 +595,9 @@ int dm_check_version(void)
_version_checked = 1;
if (_check_version(dmversion, sizeof(dmversion), _dm_compat))
if (_check_version(dmversion, sizeof(dmversion), 0))
return 1;
if (!_dm_compat)
goto_bad;
log_verbose("device-mapper ioctl protocol version %u failed. "
"Trying protocol version 1.", _dm_version);
_dm_version = 1;
if (_check_version(dmversion, sizeof(dmversion), 0)) {
log_verbose("Using device-mapper ioctl protocol version 1");
return 1;
}
compat = "(compat)";
bad:
dm_get_library_version(libversion, sizeof(libversion));
log_error("Incompatible libdevmapper %s%s and kernel driver %s.",

18
libdm/ioctl/libdm-iface.c
View File

@ -86,8 +86,6 @@ static int _version_checked = 0;
static int _version_ok = 1;
static unsigned _ioctl_buffer_double_factor = 0;
const int _dm_compat = 0;
/* *INDENT-OFF* */
static const struct cmd_data _cmd_data_v4[] = {
{"create", DM_DEV_CREATE, {4, 0, 0}},
@ -590,23 +588,9 @@ int dm_check_version(void)
_version_checked = 1;
if (_check_version(dmversion, sizeof(dmversion), _dm_compat))
if (_check_version(dmversion, sizeof(dmversion), 0))
return 1;
if (!_dm_compat)
goto_bad;
log_verbose("device-mapper ioctl protocol version %u failed. "
"Trying protocol version 1.", _dm_version);
_dm_version = 1;
if (_check_version(dmversion, sizeof(dmversion), 0)) {
log_verbose("Using device-mapper ioctl protocol version 1");
return 1;
}
compat = "(compat)";
bad:
dm_get_library_version(libversion, sizeof(libversion));
log_error("Incompatible libdevmapper %s%s and kernel driver %s.",