| commit | b1d353ad3d5835b16724653b33c05124e1b5acf1 | [log] [tgz] |
|---|---|---|
| author | Dan Carpenter <dan.carpenter@oracle.com> | Tue Jan 26 12:24:25 2016 +0300 |
| committer | Darren Hart <dvhart@linux.intel.com> | Sat Jan 30 09:40:35 2016 -0800 |
| tree | a2189d9683c34f13abee3f3e573c40967509f490 | |
| parent | 1c319e781e0ecc48228081558f38044a11c7a76e [diff] |
intel_scu_ipcutil: underflow in scu_reg_access()
"count" is controlled by the user and it can be negative. Let's prevent
that by making it unsigned. You have to have CAP_SYS_RAWIO to call this
function so the bug is not as serious as it could be.
Fixes: 5369c02d951a ('intel_scu_ipc: Utility driver for intel scu ipc')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Darren Hart <dvhart@linux.intel.com>