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path: root/sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c
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Diffstat (limited to 'sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c')
-rw-r--r--sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c b/sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c
index ab8981e25cb2..0150ce72f0a4 100644
--- a/sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c
+++ b/sys/contrib/vchiq/interface/vchiq_arm/vchiq_2835_arm.c
@@ -464,7 +464,8 @@ create_pagelist(char __user *buf, size_t count, unsigned short type,
(type == PAGELIST_READ ? VM_PROT_WRITE : 0 ) | VM_PROT_READ, pages, num_pages);
if (actual_pages != num_pages) {
- vm_page_unhold_pages(pages, actual_pages);
+ if (actual_pages > 0)
+ vm_page_unhold_pages(pages, actual_pages);
free(pagelist, M_VCPAGELIST);
return (-ENOMEM);
}