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-rw-r--r--drivers/soc/ti/knav_qmss.h8
-rw-r--r--drivers/soc/ti/knav_qmss_queue.c13
2 files changed, 11 insertions, 10 deletions
diff --git a/drivers/soc/ti/knav_qmss.h b/drivers/soc/ti/knav_qmss.h
index bc9dcc8cc3ce..51da2341280d 100644
--- a/drivers/soc/ti/knav_qmss.h
+++ b/drivers/soc/ti/knav_qmss.h
@@ -348,15 +348,15 @@ struct knav_range_info {
list_for_each_entry(region, &kdev->regions, list)
#define first_region(kdev) \
- list_first_entry(&kdev->regions, \
- struct knav_region, list)
+ list_first_entry_or_null(&kdev->regions, \
+ struct knav_region, list)
#define for_each_queue_range(kdev, range) \
list_for_each_entry(range, &kdev->queue_ranges, list)
#define first_queue_range(kdev) \
- list_first_entry(&kdev->queue_ranges, \
- struct knav_range_info, list)
+ list_first_entry_or_null(&kdev->queue_ranges, \
+ struct knav_range_info, list)
#define for_each_pool(kdev, pool) \
list_for_each_entry(pool, &kdev->pools, list)
diff --git a/drivers/soc/ti/knav_qmss_queue.c b/drivers/soc/ti/knav_qmss_queue.c
index 0a2c8634c48b..9b8dd6732681 100644
--- a/drivers/soc/ti/knav_qmss_queue.c
+++ b/drivers/soc/ti/knav_qmss_queue.c
@@ -785,7 +785,7 @@ void *knav_pool_create(const char *name,
dev_err(kdev->dev, "out of descs in region(%d) for pool(%s)\n",
region_id, name);
ret = -ENOMEM;
- goto err;
+ goto err_unlock;
}
/* Region maintains a sorted (by region offset) list of pools
@@ -815,15 +815,16 @@ void *knav_pool_create(const char *name,
dev_err(kdev->dev, "pool(%s) create failed: fragmented desc pool in region(%d)\n",
name, region_id);
ret = -ENOMEM;
- goto err;
+ goto err_unlock;
}
mutex_unlock(&knav_dev_lock);
kdesc_fill_pool(pool);
return pool;
-err:
+err_unlock:
mutex_unlock(&knav_dev_lock);
+err:
kfree(pool->name);
devm_kfree(kdev->dev, pool);
return ERR_PTR(ret);
@@ -1305,14 +1306,14 @@ static void knav_free_queue_ranges(struct knav_device *kdev)
static void knav_queue_free_regions(struct knav_device *kdev)
{
struct knav_region *region;
- struct knav_pool *pool;
+ struct knav_pool *pool, *tmp;
unsigned size;
for (;;) {
region = first_region(kdev);
if (!region)
break;
- list_for_each_entry(pool, &region->pools, region_inst)
+ list_for_each_entry_safe(pool, tmp, &region->pools, region_inst)
knav_pool_destroy(pool);
size = region->virt_end - region->virt_start;
@@ -1639,7 +1640,7 @@ static int knav_queue_init_queues(struct knav_device *kdev)
size = (1 << kdev->inst_shift) * kdev->num_queues_in_use;
kdev->instances = devm_kzalloc(kdev->dev, size, GFP_KERNEL);
if (!kdev->instances)
- return -1;
+ return -ENOMEM;
for_each_queue_range(kdev, range) {
if (range->ops && range->ops->init_range)