drivers: Fix some issues caused by Recent Upstream(4.19.306).

-Made kernel unable to boot.
raystef66 · Feb 4, 2024 · 86c2575 · 86c2575
1 parent 99e1b14
commit 86c2575
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Showing 3 changed files with 13 additions and 12 deletions.
diff --git a/drivers/android/binder.c b/drivers/android/binder.c
@@ -5123,7 +5123,7 @@ static __poll_t binder_poll(struct file *filp,
 
 	thread = binder_get_thread(proc);
 	if (!thread)
-		return EPOLLERR;
+		return POLLERR;
 
 	binder_inner_proc_lock(thread->proc);
 	thread->looper |= BINDER_LOOPER_STATE_POLL;

diff --git a/drivers/android/binder_alloc.c b/drivers/android/binder_alloc.c
@@ -284,7 +284,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate,
 	}
 	if (mm) {
 		up_read(&mm->mmap_sem);
-		mmput_async(mm);
+		mmput(mm);
 	}
 	return 0;
 
@@ -317,7 +317,7 @@ static int binder_update_page_range(struct binder_alloc *alloc, int allocate,
 err_no_vma:
 	if (mm) {
 		up_read(&mm->mmap_sem);
-		mmput_async(mm);
+		mmput(mm);
 	}
 	return vma ? -ENOMEM : -ESRCH;
 }
@@ -452,17 +452,17 @@ static struct binder_buffer *binder_alloc_new_buf_locked(
 	if (false)
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC, "%s", NAME_ARRAY[0]);
 #endif
-
-	/* Pad 0-size buffers so they get assigned unique addresses */
-	size = max(size, sizeof(void *));
-
-	if (is_async && alloc->free_async_space < size) {
+	if (is_async &&
+	    alloc->free_async_space < size + sizeof(struct binder_buffer)) {
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC,
 			     "%d: binder_alloc_buf size %zd failed, no async space left\n",
 			      alloc->pid, size);
 		return ERR_PTR(-ENOSPC);
 	}
 
+	/* Pad 0-size buffers so they get assigned unique addresses */
+	size = max(size, sizeof(void *));
+
 	while (n) {
 		buffer = rb_entry(n, struct binder_buffer, rb_node);
 		BUG_ON(!buffer->free);
@@ -563,7 +563,7 @@ static struct binder_buffer *binder_alloc_new_buf_locked(
 	buffer->extra_buffers_size = extra_buffers_size;
 	buffer->pid = pid;
 	if (is_async) {
-		alloc->free_async_space -= size;
+		alloc->free_async_space -= size + sizeof(struct binder_buffer);
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC,
 			     "%d: binder_alloc_buf size %zd async free %zd\n",
 			      alloc->pid, size, alloc->free_async_space);
@@ -628,7 +628,7 @@ size_t binder_alloc_get_free_space(struct binder_alloc *alloc)
  * is the sum of the three given sizes (each rounded up to
  * pointer-sized boundary)
  *
- * Return:	The allocated buffer or %ERR_PTR(-errno) if error
+ * Return:	The allocated buffer or %NULL if error
  */
 struct binder_buffer *binder_alloc_new_buf(struct binder_alloc *alloc,
 					   size_t data_size,
@@ -727,7 +727,8 @@ static void binder_free_buf_locked(struct binder_alloc *alloc,
 	BUG_ON(buffer->user_data > alloc->buffer + alloc->buffer_size);
 
 	if (buffer->async_transaction) {
-		alloc->free_async_space += buffer_size;
+		alloc->free_async_space += buffer_size + sizeof(struct binder_buffer);
+
 		binder_alloc_debug(BINDER_DEBUG_BUFFER_ALLOC_ASYNC,
 			     "%d: binder_free_buf size %zd async free %zd\n",
 			      alloc->pid, size, alloc->free_async_space);

diff --git a/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c b/drivers/net/ethernet/qualcomm/rmnet/rmnet_config.c
@@ -479,7 +479,7 @@ static int rmnet_fill_info(struct sk_buff *skb, const struct net_device *dev)
 
 struct rtnl_link_ops rmnet_link_ops __read_mostly = {
 	.kind		= "rmnet",
-	.maxtype	= IFLA_RMNET_MAX,
+	.maxtype	= __IFLA_RMNET_EXT_MAX,
 	.priv_size	= sizeof(struct rmnet_priv),
 	.setup		= rmnet_vnd_setup,
 	.validate	= rmnet_rtnl_validate,