projects / firefly-linux-kernel-4.4.55.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 33a57aa) | patch
ion: fix crash when alloc len is -1
authorColin Cross <ccross@android.com>
Wed, 13 Nov 2013 22:44:53 +0000 (14:44 -0800)
committerColin Cross <ccross@android.com>
Sat, 16 Nov 2013 00:10:14 +0000 (16:10 -0800)
commit49bdc418a3c1129d49fe92d89cf77111584fb51f
treeb35cd45a9ce97a6890e290d4a9c945c35c79e919tree | snapshot
parent33a57aa073dac709bcdcba23bc4e2e7fcc6330f6commit | diff
ion: fix crash when alloc len is -1

If userspace passes a length between -4095 and -1 to allocate it
will pass the len != 0 check, but when len is page aligned it will
be 0.  Check len after page aligning.

Drop the warning as well, userspace shouldn't be able to trigger
a warning in the kernel.

Change-Id: I96c7142637638991f3a9af9be7cfbb50f79f3803
Signed-off-by: Colin Cross <ccross@android.com>
drivers/staging/android/ion/ion.c diff | blob | history
Unnamed repository; edit this file 'description' to name the repository.