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iwlwifi: mvm: catch underflow error earlier

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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>
This commit is contained in:
Dan Carpenter 2015-08-21 11:48:21 +03:00 • committed by Emmanuel Grumbach
commit 8e8114dee2
1 changed files with 3 additions and 2 deletions
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5
drivers/net/wireless/iwlwifi/mvm/debugfs.c
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@ -949,9 +949,10 @@ static ssize_t iwl_dbgfs_fw_dbg_conf_write(struct iwl_mvm *mvm,
char *buf, size_t count,
loff_t *ppos)
{
int ret, conf_id;
unsigned int conf_id;
int ret;
ret = kstrtoint(buf, 0, &conf_id);
ret = kstrtouint(buf, 0, &conf_id);
if (ret)
return ret;