plpks_is_available() can be called on any platform via kexec but calls
_plpks_get_config() which makes a hcall, which will only work on pseries.
Fix this by returning early in plpks_is_available() if hcalls aren't
possible.
Fixes:
119da30d037d ("powerpc/pseries: Expose PLPKS config values, support additional fields")
Reported-by: Murphy Zhou <jencce.kernel@gmail.com>
Signed-off-by: Russell Currey <ruscur@russell.cc>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20230222021708.146257-1-ruscur@russell.cc
#include <asm/hvcall.h>
#include <asm/machdep.h>
#include <asm/plpks.h>
+#include <asm/firmware.h>
static u8 *ospassword;
static u16 ospasswordlength;
{
int rc;
+ if (!firmware_has_feature(FW_FEATURE_LPAR))
+ return false;
+
rc = _plpks_get_config();
if (rc)
return false;