tree 4597c862fb1945a1bea866a4a4197fa05f14679a
parent 5fd8594b3cefd966789dfebf8eb4311574fadbb9
author Lee Jones <lee.jones@linaro.org> 1637922815 +0000
committer Greg Kroah-Hartman <gregkh@linuxfoundation.org> 1638949502 +0100

staging: ion: Prevent incorrect reference counting behavour

Supply additional checks in order to prevent unexpected results.

Fixes: b892bf75b2034 ("ion: Switch ion to use dma-buf")
Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>