Commit 025f69ad authored by Stefan Wahren's avatar Stefan Wahren Committed by Greg Kroah-Hartman

staging: vchiq_2835_arm: Handle vmalloc_to_page error case

In case vmalloc_to_page returns NULL create_pagelist must abort
imediatly.
Signed-off-by: default avatarStefan Wahren <stefan.wahren@i2se.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 804980ad
...@@ -459,6 +459,11 @@ create_pagelist(char __user *buf, size_t count, unsigned short type, ...@@ -459,6 +459,11 @@ create_pagelist(char __user *buf, size_t count, unsigned short type,
PAGE_SIZE)); PAGE_SIZE));
size_t bytes = PAGE_SIZE - off; size_t bytes = PAGE_SIZE - off;
if (!pg) {
cleanup_pagelistinfo(pagelistinfo);
return NULL;
}
if (bytes > length) if (bytes > length)
bytes = length; bytes = length;
pages[actual_pages] = pg; pages[actual_pages] = pg;
......
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