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Commit 4eb3991c authored by Dan Carpenter's avatar Dan Carpenter Committed by Chris Mason
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Btrfs: avoid null deref in unpin_extent_cache() 



I re-orderred the checks to avoid dereferencing "em" if it was null.

Found by smatch static checker.

Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Signed-off-by: default avatarChris Mason <chris.mason@oracle.com>
parent df66916e
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