In case vmalloc_to_page returns NULL create_pagelist must abort immediately. Signed-off-by: Stefan Wahren <stefan.wahren@xxxxxxxx> --- 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 _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel