diff options
| -rw-r--r-- | drivers/mmc/core/core.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c index 188ace67504b..9e60bd2d021c 100644 --- a/drivers/mmc/core/core.c +++ b/drivers/mmc/core/core.c @@ -463,10 +463,13 @@ EXPORT_SYMBOL(mmc_start_bkops); */ static void mmc_wait_data_done(struct mmc_request *mrq) { + unsigned long flags; struct mmc_context_info *context_info = &mrq->host->context_info; + spin_lock_irqsave(&context_info->lock, flags); context_info->is_done_rcv = true; wake_up_interruptible(&context_info->wait); + spin_unlock_irqrestore(&context_info->lock, flags); } static void mmc_wait_done(struct mmc_request *mrq) @@ -532,6 +535,7 @@ static int mmc_wait_for_data_req_done(struct mmc_host *host, struct mmc_command *cmd; struct mmc_context_info *context_info = &host->context_info; int err; + bool is_done_rcv = false; unsigned long flags; while (1) { @@ -539,9 +543,10 @@ static int mmc_wait_for_data_req_done(struct mmc_host *host, (context_info->is_done_rcv || context_info->is_new_req)); spin_lock_irqsave(&context_info->lock, flags); + is_done_rcv = context_info->is_done_rcv; context_info->is_waiting_last_req = false; spin_unlock_irqrestore(&context_info->lock, flags); - if (context_info->is_done_rcv) { + if (is_done_rcv) { context_info->is_done_rcv = false; context_info->is_new_req = false; cmd = mrq->cmd; |