Thread (9 messages) 9 messages, 3 authors, 2025-06-25

Re: [PATCH] mtk-sd: reset host->mrq on prepare_data() error

From: Ulf Hansson <hidden>
Date: 2025-06-25 12:46:29
Also in: linux-mediatek, linux-mmc, lkml

On Wed, 25 Jun 2025 at 07:21, Sergey Senozhatsky
[off-list ref] wrote:
Do not leave host with dangling ->mrq pointer if we hit
the msdc_prepare_data() error out path.

Signed-off-by: Sergey Senozhatsky <senozhatsky@chromium.org>
Applied for fixes, thanks!

Kind regards
Uffe
quoted hunk ↗ jump to hunk
---
 drivers/mmc/host/mtk-sd.c | 1 +
 1 file changed, 1 insertion(+)
diff --git a/drivers/mmc/host/mtk-sd.c b/drivers/mmc/host/mtk-sd.c
index b12cfb9a5e5f..d7020e06dd55 100644
--- a/drivers/mmc/host/mtk-sd.c
+++ b/drivers/mmc/host/mtk-sd.c
@@ -1492,6 +1492,7 @@ static void msdc_ops_request(struct mmc_host *mmc, struct mmc_request *mrq)
        if (mrq->data) {
                msdc_prepare_data(host, mrq->data);
                if (!msdc_data_prepared(mrq->data)) {
+                       host->mrq = NULL;
                        /*
                         * Failed to prepare DMA area, fail fast before
                         * starting any commands.
--
2.50.0.714.g196bf9f422-goog
  
Keyboard shortcuts
hback out one level
jnext message in thread
kprevious message in thread
ldrill in
Escclose help / fold thread tree
?toggle this help