mmc: msm_sdcc: Fix issue where we might not end a sucessfull request

Signed-off-by: San Mehat <san@google.com>
Signed-off-by: Daniel Walker <dwalker@codeaurora.org>

diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index bdafb64..3ea6697 100644 (file)
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -208,6 +208,7 @@ msmsdcc_dma_complete_func(struct msm_dmov_cmd *cmd,
 
        mrq = host->curr.mrq;
        BUG_ON(!mrq);
+       WARN_ON(!mrq->data);
 
        if (!(result & DMOV_RSLT_VALID)) {
                pr_err("msmsdcc: Invalid DataMover result\n");
@@ -719,14 +720,13 @@ static void
 msmsdcc_handle_irq_data(struct msmsdcc_host *host, u32 status,
                        void __iomem *base)
 {
-       struct mmc_data *data;
+       struct mmc_data *data = host->curr.data;
 
        if (status & (MCI_CMDSENT | MCI_CMDRESPEND | MCI_CMDCRCFAIL |
                      MCI_CMDTIMEOUT) && host->curr.cmd) {
                msmsdcc_do_cmdirq(host, status);
        }
 
-       data = host->curr.data;
        if (!data)
                return;
 
@@ -739,7 +739,8 @@ msmsdcc_handle_irq_data(struct msmsdcc_host *host, u32 status,
                        msm_dmov_stop_cmd(host->dma.channel,
                                          &host->dma.hdr, 0);
                else {
-                       msmsdcc_stop_data(host);
+                       if (host->curr.data)
+                               msmsdcc_stop_data(host);
                        if (!data->stop)
                                msmsdcc_request_end(host, data->mrq);
                        else