6.4-stable review patch. If anyone has any objections, please let me know.
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From: Przemek Kitszel przemyslaw.kitszel@intel.com
[ Upstream commit e1e8a142c43336e3d25bfa1cb3a4ae7d00875c48 ]
Allow task's event buffer to be filled also in the case that it's size is exactly the size of the message.
Fixes: d69ea414c9b4 ("ice: implement device flash update via devlink") Reviewed-by: Jacob Keller jacob.e.keller@intel.com Signed-off-by: Przemek Kitszel przemyslaw.kitszel@intel.com Reviewed-by: Simon Horman horms@kernel.org Tested-by: Pucha Himasekhar Reddy himasekharx.reddy.pucha@intel.com (A Contingent worker at Intel) Signed-off-by: Tony Nguyen anthony.l.nguyen@intel.com Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/net/ethernet/intel/ice/ice_main.c | 13 +++++++------ 1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/drivers/net/ethernet/intel/ice/ice_main.c b/drivers/net/ethernet/intel/ice/ice_main.c index cfb76612bd2f9..66bd06ea0a703 100644 --- a/drivers/net/ethernet/intel/ice/ice_main.c +++ b/drivers/net/ethernet/intel/ice/ice_main.c @@ -1346,6 +1346,7 @@ int ice_aq_wait_for_event(struct ice_pf *pf, u16 opcode, unsigned long timeout, static void ice_aq_check_events(struct ice_pf *pf, u16 opcode, struct ice_rq_event_info *event) { + struct ice_rq_event_info *task_ev; struct ice_aq_task *task; bool found = false;
@@ -1354,15 +1355,15 @@ static void ice_aq_check_events(struct ice_pf *pf, u16 opcode, if (task->state || task->opcode != opcode) continue;
- memcpy(&task->event->desc, &event->desc, sizeof(event->desc)); - task->event->msg_len = event->msg_len; + task_ev = task->event; + memcpy(&task_ev->desc, &event->desc, sizeof(event->desc)); + task_ev->msg_len = event->msg_len;
/* Only copy the data buffer if a destination was set */ - if (task->event->msg_buf && - task->event->buf_len > event->buf_len) { - memcpy(task->event->msg_buf, event->msg_buf, + if (task_ev->msg_buf && task_ev->buf_len >= event->buf_len) { + memcpy(task_ev->msg_buf, event->msg_buf, event->buf_len); - task->event->buf_len = event->buf_len; + task_ev->buf_len = event->buf_len; }
task->state = ICE_AQ_TASK_COMPLETE;