diff --git a/drivers/misc/sdma-dae/sdma_auth.c b/drivers/misc/sdma-dae/sdma_auth.c
index 1cfbc6fe1c7be8e18d9c324cc7cbe474ac3b381c..6b6585a2e807ec47030d93f65a491355bec0353e 100644
--- a/drivers/misc/sdma-dae/sdma_auth.c
+++ b/drivers/misc/sdma-dae/sdma_auth.c
@@ -137,7 +137,7 @@ static int sdma_add_authority_ht(struct hisi_sdma_own_pid_hte *entry, u32 count,
 		if (sub_entry)
 			continue;
 
-		sub_entry = kzalloc(sizeof(struct hisi_sdma_sub_pid_hte), GFP_ATOMIC);
+		sub_entry = kzalloc(sizeof(struct hisi_sdma_sub_pid_hte), GFP_KERNEL);
 		if (!sub_entry) {
 			sdma_clear_residual_auth_ht(entry, list, j);
 			return -ENOMEM;
@@ -164,7 +164,10 @@ static int sdma_create_authority_ht(u32 pid, u32 pasid, u32 num, u32 *list)
 	entry->pasid = pasid;
 	hash_init(entry->sdma_submitter_pid_ht);
 	ret = sdma_add_authority_ht(entry, num, list);
-	hash_add(g_authority->sdma_owner_pid_ht, &entry->node, entry->pid);
+	if (ret != 0)
+		kfree(entry);
+	else
+		hash_add(g_authority->sdma_owner_pid_ht, &entry->node, entry->pid);
 
 	return ret;
 }
@@ -209,7 +212,7 @@ int sdma_check_authority(u32 pasid, u32 owner_pid, u32 submitter_pid, u32 *owner
 	}
 	sub_entry = sdma_search_submitter_pid(entry, submitter_pid);
 	if (!sub_entry) {
-		pr_err("The submitter[%u] not authorithed\n", submitter_pid);
+		pr_err("The submitter[%u] not authorized\n", submitter_pid);
 		read_unlock(&g_authority->owner_pid_lock);
 		return -ENODATA;
 	}
diff --git a/drivers/misc/sdma-dae/sdma_dbg.c b/drivers/misc/sdma-dae/sdma_dbg.c
index 17097e84a89226ad79f023bd3680d40fd918daaa..36920d8713ef08143327ae77184062fe71d7d59a 100644
--- a/drivers/misc/sdma-dae/sdma_dbg.c
+++ b/drivers/misc/sdma-dae/sdma_dbg.c
@@ -36,6 +36,9 @@ static struct hisi_sdma_chn_num sdma_chn_info(struct seq_file *f, struct hisi_sd
 	seq_printf(f, "SDMA[%u] Total channel num = %u,", dev->idx, chn_num.total_chn_num);
 	seq_printf(f, "share channel num = %u, exclusive channel num = %u\n",
 		   chn_num.share_chn_num, chn_num.total_chn_num - chn_num.share_chn_num);
+	seq_puts(f, "\n");
+	seq_printf(f, "SDMA[%u] channel send queue depth = %u, completion queue depth = %u\n",
+		   dev->idx, HISI_SDMA_SQ_LENGTH, HISI_SDMA_CQ_LENGTH);
 	split_line(f);
 
 	return chn_num;
@@ -86,8 +89,6 @@ static int sdma_debugfs_stats_show(struct seq_file *f, void *data SDMA_UNUSED)
 
 	split_line(f);
 	seq_printf(f, "SDMA Devices Num = %u\n", num);
-	if (num == 0)
-		return 0;
 
 	for (i = 0; i < num; i++) {
 		spin_lock(&dbg_g_info.core_dev->device_lock);
@@ -240,8 +241,6 @@ static int sdma_debugfs_error_show(struct seq_file *f, void *data SDMA_UNUSED)
 
 	split_line(f);
 	seq_printf(f, "SDMA Devices Num = %u\n", num);
-	if (num == 0)
-		return 0;
 
 	for (i = 0; i < num; i++) {
 		spin_lock(&dbg_g_info.core_dev->device_lock);
diff --git a/drivers/misc/sdma-dae/sdma_main.c b/drivers/misc/sdma-dae/sdma_main.c
index 2e01ba5715e41678676dce9adaf99487f47452a5..a28a28f0f78bebccfd5966e6a17b5e8f7a1a8ab8 100644
--- a/drivers/misc/sdma-dae/sdma_main.c
+++ b/drivers/misc/sdma-dae/sdma_main.c
@@ -19,7 +19,7 @@
 #define BASE_DIR		"sdma" /* Subdir in /sys/kernel/debug/  */
 #define UPPER_SHIFT		32
 #define MAX_INPUT_LENGTH	128
-#define SDMA_VERSION		"1.0.5"
+#define SDMA_VERSION		"1.0.6"
 
 u32 share_chns = 16;
 module_param(share_chns, uint, RW_R_R);
@@ -144,11 +144,11 @@ static void sdma_free_all_sq_cq(struct hisi_sdma_device *psdma_dev)
 {
 	struct hisi_sdma_channel *pchan;
 	int sync_size;
-	int i;
+	u16 i;
 
 	sync_size = sizeof(struct hisi_sdma_queue_info);
 
-	for (i = psdma_dev->nr_channel - 1; i >= 0; i--) {
+	for (i = 0; i < psdma_dev->nr_channel; i++) {
 		pchan = psdma_dev->channels + i;
 		if (pchan->io_base)
 			sdma_channel_reset(pchan);