In case vmalloc_to_page returns NULL create_pagelist must abort
imediatly.
Signed-off-by: Stefan Wahren <[email protected]>
---
drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
index 8911e86..eeeee1b 100644
--- a/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
+++ b/drivers/staging/vc04_services/interface/vchiq_arm/vchiq_2835_arm.c
@@ -459,6 +459,11 @@ create_pagelist(char __user *buf, size_t count, unsigned
short type,
PAGE_SIZE));
size_t bytes = PAGE_SIZE - off;
+ if (!pg) {
+ cleanup_pagelistinfo(pagelistinfo);
+ return NULL;
+ }
+
if (bytes > length)
bytes = length;
pages[actual_pages] = pg;
--
2.7.4
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