tree c7ce8487792ba20f6e07d3320e4985e331fbf921
parent 34f0ec82e0a99009161a281629280cfcad187696
author Liu ShuoX <shuox.liu@intel.com> 1394630684 +0800
committer Tony Luck <tony.luck@intel.com> 1395090843 -0700

pstore: Fix buffer overflow while write offset equal to buffer size

In case new offset is equal to prz->buffer_size, it won't wrap at this
time and will return old(overflow) value next time.

Signed-off-by: Liu ShuoX <shuox.liu@intel.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Tony Luck <tony.luck@intel.com>