drm/amdkfd: Fix improper NULL termination of queue restore SMI event string

Pass character "0" rather than NULL terminator to properly format
queue restoration SMI events. Currently, the NULL terminator precedes
the newline character that is intended to delineate separate events
in the SMI event buffer, which can break userspace parsers.

Signed-off-by: Brian Kocoloski <brian.kocoloski@amd.com>
Reviewed-by: Philip Yang <Philip.Yang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
(cherry picked from commit 6e7143e5e6e21f9d5572e0390f7089e6d53edf3c)

diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
index a499449fcb068a9c15e297ced610df17afc5d835..d2bc169e84b0b62f8b665ff5c56cde7eba1f6fec 100644 (file)
--- a/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
+++ b/drivers/gpu/drm/amd/amdkfd/kfd_smi_events.c
@@ -312,7 +312,7 @@ void kfd_smi_event_queue_restore(struct kfd_node *node, pid_t pid)
 {
        kfd_smi_event_add(pid, node, KFD_SMI_EVENT_QUEUE_RESTORE,
                          KFD_EVENT_FMT_QUEUE_RESTORE(ktime_get_boottime_ns(), pid,
-                         node->id, 0));
+                         node->id, '0'));
 }
 
 void kfd_smi_event_queue_restore_rescheduled(struct mm_struct *mm)