iwlwifi: mvm: catch underflow error earlier
authorDan Carpenter <dan.carpenter@oracle.com>
Fri, 21 Aug 2015 08:48:21 +0000 (11:48 +0300)
committerEmmanuel Grumbach <emmanuel.grumbach@intel.com>
Sun, 23 Aug 2015 06:35:04 +0000 (09:35 +0300)
commit8e8114dee2a9a767ca8abc1c2d6a94a3ca5d4c7f
treea0ef3a2d4593af22778896398b90278400c44d71
parentecc7c518b3017821a6b26fb5fdaa548afa8ee236
iwlwifi: mvm: catch underflow error earlier

My static checker complains that we don't check for underflows in
iwl_dbgfs_fw_dbg_conf_write().  This is harmless because we have a
sanity check in iwl_mvm_start_fw_dbg_conf(), but we may as well make
this unsigned and silence the underflow warning.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Emmanuel Grumbach <emmanuel.grumbach@intel.com>
drivers/net/wireless/iwlwifi/mvm/debugfs.c