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Subject[PATCH 4.14 43/95] mmc: block: Fix missing blk_put_request()
Date
4.14-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Adrian Hunter <adrian.hunter@intel.com>

commit 34c089e806793a66e450b11bd167db6047399fcd upstream.

Ensure blk_get_request() is paired with blk_put_request().

Fixes: 0493f6fe5bde ("mmc: block: Move boot partition locking into a driver op")
Fixes: 627c3ccfb46a ("mmc: debugfs: Move block debugfs into block module")
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
drivers/mmc/core/block.c | 3 +++
1 file changed, 3 insertions(+)

--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -207,6 +207,7 @@ static ssize_t power_ro_lock_store(struc
req_to_mmc_queue_req(req)->drv_op = MMC_DRV_OP_BOOT_WP;
blk_execute_rq(mq->queue, NULL, req, 0);
ret = req_to_mmc_queue_req(req)->drv_op_result;
+ blk_put_request(req);

if (!ret) {
pr_info("%s: Locking boot partition ro until next power on\n",
@@ -2321,6 +2322,7 @@ static int mmc_dbg_card_status_get(void
*val = ret;
ret = 0;
}
+ blk_put_request(req);

return ret;
}
@@ -2351,6 +2353,7 @@ static int mmc_ext_csd_open(struct inode
req_to_mmc_queue_req(req)->drv_op_data = &ext_csd;
blk_execute_rq(mq->queue, NULL, req, 0);
err = req_to_mmc_queue_req(req)->drv_op_result;
+ blk_put_request(req);
if (err) {
pr_err("FAILED %d\n", err);
goto out_free;

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