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authorWey-Yi Guy <wey-yi.w.guy@intel.com>2010-01-15 13:43:36 -0800
committerJohn W. Linville <linville@tuxdriver.com>2010-01-19 16:25:10 -0500
commit937c397eb633b804d9a806d08c395ecfc42b1fec (patch)
treea9a24507cd22b1bb7e77eb2840e66cc9ad88ae0d /drivers/net/wireless/iwlwifi
parent11fc524941248dc717f1af5dfa844eceb7c0217f (diff)
downloadop-kernel-dev-937c397eb633b804d9a806d08c395ecfc42b1fec.zip
op-kernel-dev-937c397eb633b804d9a806d08c395ecfc42b1fec.tar.gz
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>
Diffstat (limited to 'drivers/net/wireless/iwlwifi')
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c5
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c4
3 files changed, 7 insertions, 6 deletions
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index c780633..eaa309d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -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) {
/*
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 19c7fab..a7ca06d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -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);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 10b0aa8..8bbcc54 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -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,
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