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misc: fastrpc: Update to v3 patch #517

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41 changes: 23 additions & 18 deletions drivers/misc/fastrpc.c
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Original file line number Diff line number Diff line change
Expand Up @@ -502,9 +502,30 @@ static void fastrpc_channel_ctx_put(struct fastrpc_channel_ctx *cctx)
kref_put(&cctx->refcount, fastrpc_channel_ctx_free);
}

static void fastrpc_context_put(struct fastrpc_invoke_ctx *ctx);

static void fastrpc_user_free(struct kref *ref)
{
struct fastrpc_user *fl = container_of(ref, struct fastrpc_user, refcount);
struct fastrpc_invoke_ctx *ctx, *n;
struct fastrpc_map *map, *m;
struct fastrpc_buf *buf, *b;

if (fl->init_mem)
fastrpc_buf_free(fl->init_mem);

list_for_each_entry_safe(ctx, n, &fl->pending, node) {
list_del(&ctx->node);
fastrpc_context_put(ctx);
}

list_for_each_entry_safe(map, m, &fl->maps, node)
fastrpc_map_put(map);

list_for_each_entry_safe(buf, b, &fl->mmaps, node) {
list_del(&buf->node);
fastrpc_buf_free(buf);
}

fastrpc_channel_ctx_put(fl->cctx);
mutex_destroy(&fl->mutex);
Expand Down Expand Up @@ -1655,9 +1676,6 @@ static int fastrpc_device_release(struct inode *inode, struct file *file)
{
struct fastrpc_user *fl = (struct fastrpc_user *)file->private_data;
struct fastrpc_channel_ctx *cctx = fl->cctx;
struct fastrpc_invoke_ctx *ctx, *n;
struct fastrpc_map *map, *m;
struct fastrpc_buf *buf, *b;
unsigned long flags;

fastrpc_release_current_dsp_process(fl);
Expand All @@ -1666,23 +1684,10 @@ static int fastrpc_device_release(struct inode *inode, struct file *file)
list_del(&fl->user);
spin_unlock_irqrestore(&cctx->lock, flags);

fastrpc_buf_free(fl->init_mem);

list_for_each_entry_safe(ctx, n, &fl->pending, node) {
list_del(&ctx->node);
fastrpc_context_put(ctx);
}

list_for_each_entry_safe(map, m, &fl->maps, node)
fastrpc_map_put(map);

list_for_each_entry_safe(buf, b, &fl->mmaps, node) {
list_del(&buf->node);
fastrpc_buf_free(buf);
}

fastrpc_session_free(cctx, fl->sctx);

file->private_data = NULL;

/* Release the reference taken in fastrpc_device_open */
fastrpc_user_put(fl);

Expand Down