[PATCH 02/12] drm/v3d: Prefer get_user for scalar types
Tvrtko Ursulin
tursulin at igalia.com
Tue Jul 9 16:34:15 UTC 2024
From: Tvrtko Ursulin <tvrtko.ursulin at igalia.com>
It makes it just a tiny bit more obvious what is going on.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin at igalia.com>
---
drivers/gpu/drm/v3d/v3d_submit.c | 22 +++++++++++-----------
1 file changed, 11 insertions(+), 11 deletions(-)
diff --git a/drivers/gpu/drm/v3d/v3d_submit.c b/drivers/gpu/drm/v3d/v3d_submit.c
index 263fefc1d04f..5c71e9adfc65 100644
--- a/drivers/gpu/drm/v3d/v3d_submit.c
+++ b/drivers/gpu/drm/v3d/v3d_submit.c
@@ -483,14 +483,14 @@ v3d_get_cpu_timestamp_query_params(struct drm_file *file_priv,
for (int i = 0; i < timestamp.count; i++) {
u32 offset, sync;
- if (copy_from_user(&offset, offsets++, sizeof(offset))) {
+ if (get_user(offset, offsets++)) {
kvfree(job->timestamp_query.queries);
return -EFAULT;
}
job->timestamp_query.queries[i].offset = offset;
- if (copy_from_user(&sync, syncs++, sizeof(sync))) {
+ if (get_user(sync, syncs++)) {
kvfree(job->timestamp_query.queries);
return -EFAULT;
}
@@ -538,7 +538,7 @@ v3d_get_cpu_reset_timestamp_params(struct drm_file *file_priv,
job->timestamp_query.queries[i].offset = reset.offset + 8 * i;
- if (copy_from_user(&sync, syncs++, sizeof(sync))) {
+ if (get_user(sync, syncs++)) {
kvfree(job->timestamp_query.queries);
return -EFAULT;
}
@@ -590,14 +590,14 @@ v3d_get_cpu_copy_query_results_params(struct drm_file *file_priv,
for (i = 0; i < copy.count; i++) {
u32 offset, sync;
- if (copy_from_user(&offset, offsets++, sizeof(offset))) {
+ if (get_user(offset, offsets++)) {
kvfree(job->timestamp_query.queries);
return -EFAULT;
}
job->timestamp_query.queries[i].offset = offset;
- if (copy_from_user(&sync, syncs++, sizeof(sync))) {
+ if (get_user(sync, syncs++)) {
kvfree(job->timestamp_query.queries);
return -EFAULT;
}
@@ -657,14 +657,14 @@ v3d_get_cpu_reset_performance_params(struct drm_file *file_priv,
u32 __user *ids_pointer;
u32 id;
- if (copy_from_user(&sync, syncs++, sizeof(sync))) {
+ if (get_user(sync, syncs++)) {
kvfree(job->performance_query.queries);
return -EFAULT;
}
job->performance_query.queries[i].syncobj = drm_syncobj_find(file_priv, sync);
- if (copy_from_user(&ids, kperfmon_ids++, sizeof(ids))) {
+ if (get_user(ids, kperfmon_ids++)) {
kvfree(job->performance_query.queries);
return -EFAULT;
}
@@ -672,7 +672,7 @@ v3d_get_cpu_reset_performance_params(struct drm_file *file_priv,
ids_pointer = u64_to_user_ptr(ids);
for (int j = 0; j < reset.nperfmons; j++) {
- if (copy_from_user(&id, ids_pointer++, sizeof(id))) {
+ if (get_user(id, ids_pointer++)) {
kvfree(job->performance_query.queries);
return -EFAULT;
}
@@ -731,14 +731,14 @@ v3d_get_cpu_copy_performance_query_params(struct drm_file *file_priv,
u32 __user *ids_pointer;
u32 id;
- if (copy_from_user(&sync, syncs++, sizeof(sync))) {
+ if (get_user(sync, syncs++)) {
kvfree(job->performance_query.queries);
return -EFAULT;
}
job->performance_query.queries[i].syncobj = drm_syncobj_find(file_priv, sync);
- if (copy_from_user(&ids, kperfmon_ids++, sizeof(ids))) {
+ if (get_user(ids, kperfmon_ids++)) {
kvfree(job->performance_query.queries);
return -EFAULT;
}
@@ -746,7 +746,7 @@ v3d_get_cpu_copy_performance_query_params(struct drm_file *file_priv,
ids_pointer = u64_to_user_ptr(ids);
for (int j = 0; j < copy.nperfmons; j++) {
- if (copy_from_user(&id, ids_pointer++, sizeof(id))) {
+ if (get_user(id, ids_pointer++)) {
kvfree(job->performance_query.queries);
return -EFAULT;
}
--
2.44.0
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