Author: hselasky
Date: Thu Feb 15 09:12:07 2018
New Revision: 329310
URL: https://svnweb.freebsd.org/changeset/base/329310

Log:
  MFC r323350:
  Remove unsafe access to the LinuxKPI file structure from ibcore.
  selwakeup() is now done by the wake_up() family of functions.
  
  Sponsored by:         Mellanox Technologies

Modified:
  stable/11/sys/ofed/drivers/infiniband/core/ucm.c
  stable/11/sys/ofed/drivers/infiniband/core/ucma.c
  stable/11/sys/ofed/drivers/infiniband/core/user_mad.c
  stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c
Directory Properties:
  stable/11/   (props changed)

Modified: stable/11/sys/ofed/drivers/infiniband/core/ucm.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/ucm.c    Thu Feb 15 09:09:42 
2018        (r329309)
+++ stable/11/sys/ofed/drivers/infiniband/core/ucm.c    Thu Feb 15 09:12:07 
2018        (r329310)
@@ -378,8 +378,6 @@ static int ib_ucm_event_handler(struct ib_cm_id *cm_id
        list_add_tail(&uevent->file_list, &ctx->file->events);
        list_add_tail(&uevent->ctx_list, &ctx->events);
        wake_up_interruptible(&ctx->file->poll_wait);
-       if (ctx->file->filp)
-               selwakeup(&ctx->file->filp->f_selinfo);
        mutex_unlock(&ctx->file->file_mutex);
        return 0;
 

Modified: stable/11/sys/ofed/drivers/infiniband/core/ucma.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/ucma.c   Thu Feb 15 09:09:42 
2018        (r329309)
+++ stable/11/sys/ofed/drivers/infiniband/core/ucma.c   Thu Feb 15 09:12:07 
2018        (r329310)
@@ -287,8 +287,6 @@ static int ucma_event_handler(struct rdma_cm_id *cm_id
 
        list_add_tail(&uevent->list, &ctx->file->event_list);
        wake_up_interruptible(&ctx->file->poll_wait);
-       if (ctx->file->filp)
-               selwakeup(&ctx->file->filp->f_selinfo);
 out:
        mutex_unlock(&ctx->file->mut);
        return ret;

Modified: stable/11/sys/ofed/drivers/infiniband/core/user_mad.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/user_mad.c       Thu Feb 15 
09:09:42 2018        (r329309)
+++ stable/11/sys/ofed/drivers/infiniband/core/user_mad.c       Thu Feb 15 
09:12:07 2018        (r329310)
@@ -236,7 +236,6 @@ static int queue_packet(struct ib_umad_file *file,
             packet->mad.hdr.id++)
                if (agent == __get_agent(file, packet->mad.hdr.id)) {
                        list_add_tail(&packet->list, &file->recv_list);
-                       selwakeup(&file->filp->f_selinfo);
                        wake_up_interruptible(&file->recv_wait);
                        ret = 0;
                        break;

Modified: stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c
==============================================================================
--- stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c    Thu Feb 15 
09:09:42 2018        (r329309)
+++ stable/11/sys/ofed/drivers/infiniband/core/uverbs_main.c    Thu Feb 15 
09:12:07 2018        (r329310)
@@ -519,8 +519,6 @@ void ib_uverbs_comp_handler(struct ib_cq *cq, void *cq
        spin_unlock_irqrestore(&file->lock, flags);
 
        wake_up_interruptible(&file->poll_wait);
-       if (file->filp)
-               selwakeup(&file->filp->f_selinfo);
        kill_fasync(&file->async_queue, SIGIO, POLL_IN);
 }
 
@@ -554,8 +552,6 @@ static void ib_uverbs_async_handler(struct ib_uverbs_f
        spin_unlock_irqrestore(&file->async_file->lock, flags);
 
        wake_up_interruptible(&file->async_file->poll_wait);
-       if (file->async_file->filp)
-               selwakeup(&file->async_file->filp->f_selinfo);
        kill_fasync(&file->async_file->async_queue, SIGIO, POLL_IN);
 }
 
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