diff options
| author | Aditya Pakki <pakki001@umn.edu> | 2019-03-18 21:19:56 -0500 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2019-03-21 12:24:38 +0100 |
| commit | 2e84f116afca3719c9d0a1a78b47b48f75fd5724 (patch) | |
| tree | bc904b4ec34bfd80cd758b509f2e28958c9b2016 /arch/x86/hyperv | |
| parent | 725e29db8cb9058976559bc3239c97ef7db40eea (diff) | |
x86/hpet: Prevent potential NULL pointer dereference
hpet_virt_address may be NULL when ioremap_nocache fail, but the code lacks
a check.
Add a check to prevent NULL pointer dereference.
Signed-off-by: Aditya Pakki <pakki001@umn.edu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Cc: kjlu@umn.edu
Cc: Borislav Petkov <bp@alien8.de>
Cc: "H. Peter Anvin" <hpa@zytor.com>
Cc: Kees Cook <keescook@chromium.org>
Cc: Joe Perches <joe@perches.com>
Cc: Nicolai Stange <nstange@suse.de>
Cc: Roland Dreier <roland@purestorage.com>
Link: https://lkml.kernel.org/r/20190319021958.17275-1-pakki001@umn.edu
Diffstat (limited to 'arch/x86/hyperv')
0 files changed, 0 insertions, 0 deletions