staging: ion: Prevent incorrect reference counting behavour
authorLee Jones <lee.jones@linaro.org>
Mon, 25 Apr 2022 15:51:54 +0000 (16:51 +0100)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 27 Apr 2022 11:15:31 +0000 (13:15 +0200)
commit618a931c275defc1f258b93754808d59cb4c10a3
tree2c4ec1eb8f0059ca2ecb553cb469b54135fba8ab
parentad933197939874c4d25252cc749ae8ec4cabff52
staging: ion: Prevent incorrect reference counting behavour

Supply additional check 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>
drivers/staging/android/ion/ion.c