linux-kernel - [PATCH] mmc: litex_mmc: ensure `host->irq == 0` if polling

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Message-Id: <20221107155516.2535912-1-gsomlo@gmail.com>
Date:   Mon,  7 Nov 2022 10:55:16 -0500
From:   Gabriel Somlo <gsomlo@...il.com>
To:     linux-kernel@...r.kernel.org
Cc:     linux-mmc@...r.kernel.org, ulf.hansson@...aro.org,
        kgugala@...micro.com, mholenko@...micro.com, joel@....id.au,
        andy.shevchenko@...il.com, mdudek@...ernships.antmicro.com,
        paulus@...abs.org
Subject: [PATCH] mmc: litex_mmc: ensure `host->irq == 0` if polling

Ensure the flag is explicitly set to 0 if we determine that polling is
needed during driver probe, to cover all possible cases.

Fixes: 92e099104729 ("mmc: Add driver for LiteX's LiteSDCard interface")
Signed-off-by: Gabriel Somlo <gsomlo@...il.com>
---
 drivers/mmc/host/litex_mmc.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/litex_mmc.c b/drivers/mmc/host/litex_mmc.c
index 6ba0d63b8c07..39c6707fdfdb 100644
--- a/drivers/mmc/host/litex_mmc.c
+++ b/drivers/mmc/host/litex_mmc.c
@@ -502,6 +502,7 @@ static int litex_mmc_irq_init(struct platform_device *pdev,
 
 use_polling:
 	host->mmc->caps |= MMC_CAP_NEEDS_POLL;
+	host->irq = 0;
 	return 0;
 }
 
-- 
2.37.3