iwlwifi: add utility to print buffer when error occurs

Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/drivers/net/wireless/iwlwifi/iwl-debug.h b/drivers/net/wireless/iwlwifi/iwl-debug.h
index 2cf014f..65bbce0 100644 (file)
--- a/drivers/net/wireless/iwlwifi/iwl-debug.h
+++ b/drivers/net/wireless/iwlwifi/iwl-debug.h
@@ -36,6 +36,12 @@ struct iwl_priv;
 #define IWL_INFO(p, f, a...) dev_info(&((p)->pci_dev->dev), f, ## a)
 #define IWL_CRIT(p, f, a...) dev_crit(&((p)->pci_dev->dev), f, ## a)
 
+#define iwl_print_hex_error(priv, p, len)                              \
+do {                                                                   \
+       print_hex_dump(KERN_ERR, "iwl data: ",                          \
+                      DUMP_PREFIX_OFFSET, 16, 1, p, len, 1);           \
+} while (0)
+
 #ifdef CONFIG_IWLWIFI_DEBUG
 #define IWL_DEBUG(__priv, level, fmt, args...)                         \
 do {                                                                   \