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Date: Tue, 20 Sep 2022 15:52:45 +0300
From: Oded Gabbay <ogabbay@...nel.org>
To: linux-kernel@...r.kernel.org
Subject: [PATCH 4/4] habanalabs: eliminate aggregate use warning
When doing sizeof() and giving as argument a dereference of
a pointer-to-a-pointer object, clang will issue a warning.
Eliminate the warning by passing struct <name>*
Signed-off-by: Oded Gabbay <ogabbay@...nel.org>
---
drivers/misc/habanalabs/common/command_submission.c | 4 ++--
drivers/misc/habanalabs/common/device.c | 4 ++--
drivers/misc/habanalabs/common/hw_queue.c | 4 +---
drivers/misc/habanalabs/common/hwmon.c | 3 ++-
drivers/misc/habanalabs/common/memory.c | 3 +--
5 files changed, 8 insertions(+), 10 deletions(-)
diff --git a/drivers/misc/habanalabs/common/command_submission.c b/drivers/misc/habanalabs/common/command_submission.c
index fbe5003191bf..fa05770865c6 100644
--- a/drivers/misc/habanalabs/common/command_submission.c
+++ b/drivers/misc/habanalabs/common/command_submission.c
@@ -2571,7 +2571,7 @@ static int hl_cs_poll_fences(struct multi_cs_data *mcs_data, struct multi_cs_com
ktime_t max_ktime, first_cs_time;
enum hl_cs_wait_status status;
- memset(fence_ptr, 0, arr_len * sizeof(*fence_ptr));
+ memset(fence_ptr, 0, arr_len * sizeof(struct hl_fence *));
/* get all fences under the same lock */
rc = hl_ctx_get_fences(mcs_data->ctx, seq_arr, fence_ptr, arr_len);
@@ -2873,7 +2873,7 @@ static int hl_multi_cs_wait_ioctl(struct hl_fpriv *hpriv, void *data)
}
/* allocate array for the fences */
- fence_arr = kmalloc_array(seq_arr_len, sizeof(*fence_arr), GFP_KERNEL);
+ fence_arr = kmalloc_array(seq_arr_len, sizeof(struct hl_fence *), GFP_KERNEL);
if (!fence_arr) {
rc = -ENOMEM;
goto free_seq_arr;
diff --git a/drivers/misc/habanalabs/common/device.c b/drivers/misc/habanalabs/common/device.c
index c6a00bb259fb..233d8b46c831 100644
--- a/drivers/misc/habanalabs/common/device.c
+++ b/drivers/misc/habanalabs/common/device.c
@@ -719,7 +719,7 @@ static int device_early_init(struct hl_device *hdev)
if (hdev->asic_prop.completion_queues_count) {
hdev->cq_wq = kcalloc(hdev->asic_prop.completion_queues_count,
- sizeof(*hdev->cq_wq),
+ sizeof(struct workqueue_struct *),
GFP_KERNEL);
if (!hdev->cq_wq) {
rc = -ENOMEM;
@@ -1863,7 +1863,7 @@ int hl_device_init(struct hl_device *hdev, struct class *hclass)
}
hdev->shadow_cs_queue = kcalloc(hdev->asic_prop.max_pending_cs,
- sizeof(*hdev->shadow_cs_queue), GFP_KERNEL);
+ sizeof(struct hl_cs *), GFP_KERNEL);
if (!hdev->shadow_cs_queue) {
rc = -ENOMEM;
goto cq_fini;
diff --git a/drivers/misc/habanalabs/common/hw_queue.c b/drivers/misc/habanalabs/common/hw_queue.c
index 3f15ab9d827f..d0087c0ec48c 100644
--- a/drivers/misc/habanalabs/common/hw_queue.c
+++ b/drivers/misc/habanalabs/common/hw_queue.c
@@ -826,9 +826,7 @@ static int ext_and_cpu_queue_init(struct hl_device *hdev, struct hl_hw_queue *q,
q->kernel_address = p;
- q->shadow_queue = kmalloc_array(HL_QUEUE_LENGTH,
- sizeof(*q->shadow_queue),
- GFP_KERNEL);
+ q->shadow_queue = kmalloc_array(HL_QUEUE_LENGTH, sizeof(struct hl_cs_job *), GFP_KERNEL);
if (!q->shadow_queue) {
dev_err(hdev->dev,
"Failed to allocate shadow queue for H/W queue %d\n",
diff --git a/drivers/misc/habanalabs/common/hwmon.c b/drivers/misc/habanalabs/common/hwmon.c
index 8c262aeb425e..55eb0203817f 100644
--- a/drivers/misc/habanalabs/common/hwmon.c
+++ b/drivers/misc/habanalabs/common/hwmon.c
@@ -194,7 +194,8 @@ int hl_build_hwmon_channel_info(struct hl_device *hdev, struct cpucp_sensor *sen
curr_arr[sensors_by_type_next_index[type]++] = flags;
}
- channels_info = kcalloc(num_active_sensor_types + 1, sizeof(*channels_info), GFP_KERNEL);
+ channels_info = kcalloc(num_active_sensor_types + 1, sizeof(struct hwmon_channel_info *),
+ GFP_KERNEL);
if (!channels_info) {
rc = -ENOMEM;
goto channels_info_array_err;
diff --git a/drivers/misc/habanalabs/common/memory.c b/drivers/misc/habanalabs/common/memory.c
index 096fa3c1ae95..ef28f3b37b93 100644
--- a/drivers/misc/habanalabs/common/memory.c
+++ b/drivers/misc/habanalabs/common/memory.c
@@ -2308,8 +2308,7 @@ static int get_user_memory(struct hl_device *hdev, u64 addr, u64 size,
return -EFAULT;
}
- userptr->pages = kvmalloc_array(npages, sizeof(*userptr->pages),
- GFP_KERNEL);
+ userptr->pages = kvmalloc_array(npages, sizeof(struct page *), GFP_KERNEL);
if (!userptr->pages)
return -ENOMEM;
--
2.25.1
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