diff options
Diffstat (limited to 'drivers/hv/hv.c')
| -rw-r--r-- | drivers/hv/hv.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/hv/hv.c b/drivers/hv/hv.c index a1c086ba3b9a..60dbd6cb4640 100644 --- a/drivers/hv/hv.c +++ b/drivers/hv/hv.c @@ -278,7 +278,7 @@ cleanup: * * This routine is called normally during driver unloading or exiting. */ -void hv_cleanup(void) +void hv_cleanup(bool crash) { union hv_x64_msr_hypercall_contents hypercall_msr; @@ -288,7 +288,8 @@ void hv_cleanup(void) if (hv_context.hypercall_page) { hypercall_msr.as_uint64 = 0; wrmsrl(HV_X64_MSR_HYPERCALL, hypercall_msr.as_uint64); - vfree(hv_context.hypercall_page); + if (!crash) + vfree(hv_context.hypercall_page); hv_context.hypercall_page = NULL; } @@ -308,7 +309,8 @@ void hv_cleanup(void) hypercall_msr.as_uint64 = 0; wrmsrl(HV_X64_MSR_REFERENCE_TSC, hypercall_msr.as_uint64); - vfree(hv_context.tsc_page); + if (!crash) + vfree(hv_context.tsc_page); hv_context.tsc_page = NULL; } #endif |