staging: android: ion: dummy: fix dereference of ERR_PTR

ion_device_create() can fail and if it fails then it returns the error
value in ERR_PTR.

Signed-off-by: Sudip Mukherjee <sudip.mukherjee@codethink.co.uk>
Reviewed-by: Laura Abbott <labbott@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sudip Mukherjee 2016-04-07 22:02:25 +05:30 committed by Greg Kroah-Hartman
parent 3229ff343c
commit 9f563f1a2a

View File

@ -68,6 +68,8 @@ static int __init ion_dummy_init(void)
int i, err;
idev = ion_device_create(NULL);
if (IS_ERR(idev))
return PTR_ERR(idev);
heaps = kcalloc(dummy_ion_pdata.nr, sizeof(struct ion_heap *),
GFP_KERNEL);
if (!heaps)