[merged] mm-mmu_notifiers-use-the-right-return-code-for-warn_on.patch removed from -mm tree

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The patch titled
     Subject: mm/mmu_notifiers: use the right return code for WARN_ON
has been removed from the -mm tree.  Its filename was
     mm-mmu_notifiers-use-the-right-return-code-for-warn_on.patch

This patch was dropped because it was merged into mainline or a subsystem tree

------------------------------------------------------
From: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Subject: mm/mmu_notifiers: use the right return code for WARN_ON

The return code from the op callback is actually in _ret, while the
WARN_ON was checking ret which causes it to misfire.

Link: http://lkml.kernel.org/r/20191025175502.GA31127@xxxxxxxx
Fixes: 8402ce61bec2 ("mm/mmu_notifiers: check if mmu notifier callbacks are allowed to fail")
Signed-off-by: Jason Gunthorpe <jgg@xxxxxxxxxxxx>
Reviewed-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Cc: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
---

 mm/mmu_notifier.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/mm/mmu_notifier.c~mm-mmu_notifiers-use-the-right-return-code-for-warn_on
+++ a/mm/mmu_notifier.c
@@ -180,7 +180,7 @@ int __mmu_notifier_invalidate_range_star
 					mn->ops->invalidate_range_start, _ret,
 					!mmu_notifier_range_blockable(range) ? "non-" : "");
 				WARN_ON(mmu_notifier_range_blockable(range) ||
-					ret != -EAGAIN);
+					_ret != -EAGAIN);
 				ret = _ret;
 			}
 		}
_

Patches currently in -mm which might be from jgg@xxxxxxxxxxxx are





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