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iwlwifi: correct return code for log_event 

When dumping event log in debugfs, iwl_dump_nic_event_log()
should return the correct error code instead of let the calling
function makes it own assumption.

Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Wey-Yi Guy 2010-01-15 13:43:36 -08:00 committed by John W. Linville
parent 11fc524941
commit 937c397eb6
3 changed files with 7 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/net/wireless/iwlwifi/iwl-agn.c
View File

@ -1965,7 +1965,7 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
IWL_ERR(priv,
"Invalid event log pointer 0x%08X for %s uCode\n",
base, (priv->ucode_type == UCODE_INIT) ? "Init" : "RT");
return pos;
return -EINVAL;
}
/* event log header */
@ -2013,7 +2013,7 @@ int iwl_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return pos;
return -ENOMEM;
}
if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
/*

5
drivers/net/wireless/iwlwifi/iwl-debugfs.c
View File

@ -429,8 +429,9 @@ static ssize_t iwl_dbgfs_log_event_read(struct file *file,
int pos = 0;
ssize_t ret = -ENOMEM;
pos = priv->cfg->ops->lib->dump_nic_event_log(priv, true, &buf, true);
if (pos && buf) {
ret = pos = priv->cfg->ops->lib->dump_nic_event_log(
priv, true, &buf, true);
if (buf) {
ret = simple_read_from_buffer(user_buf, count, ppos, buf, pos);
kfree(buf);
}

4
drivers/net/wireless/iwlwifi/iwl3945-base.c
View File

@ -1644,7 +1644,7 @@ int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
base = le32_to_cpu(priv->card_alive.log_event_table_ptr);
if (!iwl3945_hw_valid_rtc_data_addr(base)) {
IWL_ERR(priv, "Invalid event log pointer 0x%08X\n", base);
return pos;
return -EINVAL;
}
/* event log header */
@ -1693,7 +1693,7 @@ int iwl3945_dump_nic_event_log(struct iwl_priv *priv, bool full_log,
bufsz = size * 48;
*buf = kmalloc(bufsz, GFP_KERNEL);
if (!*buf)
return pos;
return -ENOMEM;
}
if ((iwl_get_debug_level(priv) & IWL_DL_FW_ERRORS) || full_log) {
/* if uCode has wrapped back to top of log,