linux-kernel - [PATCH 1/3] mmc_core: fix the use of hard coded timeout value.

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: <1214812224-32267-1-git-send-email-tomas.winkler@intel.com>
Date:	Mon, 30 Jun 2008 10:50:22 +0300
From:	Tomas Winkler <tomas.winkler@...el.com>
To:	drzeus-list@...eus.cx
Cc:	linux-kernel@...r.kernel.org, Benzi Zbit <Benzi.Zbit@...el.com>
Subject: [PATCH 1/3] mmc_core: fix the use of hard coded timeout value.

From: Benzi Zbit <Benzi.Zbit@...el.com>

Signed-off-by: Benzi Zbit <Benzi.Zbit@...el.com>
Signed-off-by: Tomas Winkler <tomas.winkler@...el.com>
---
 drivers/mmc/core/sdio_cis.c   |    2 ++
 drivers/mmc/core/sdio_io.c    |    7 ++-----
 include/linux/mmc/sdio_func.h |    1 +
 3 files changed, 5 insertions(+), 5 deletions(-)
 mode change 100644 => 100755 drivers/mmc/core/sdio_cis.c
 mode change 100644 => 100755 drivers/mmc/core/sdio_io.c
 mode change 100644 => 100755 include/linux/mmc/sdio_func.h

diff --git a/drivers/mmc/core/sdio_cis.c b/drivers/mmc/core/sdio_cis.c
old mode 100644
new mode 100755
index d5e51b1..e3a9797
--- a/drivers/mmc/core/sdio_cis.c
+++ b/drivers/mmc/core/sdio_cis.c
@@ -129,6 +129,8 @@ static int cistpl_funce_func(struct sdio_func *func,
 	/* TPLFE_MAX_BLK_SIZE */
 	func->max_blksize = buf[12] | (buf[13] << 8);
 
+	/* TPLFE_ENABLE_TIMEOUT_VAL */
+	func->enable_timeout = buf[28] | (buf[29] << 8);
 	return 0;
 }
 
diff --git a/drivers/mmc/core/sdio_io.c b/drivers/mmc/core/sdio_io.c
old mode 100644
new mode 100755
index 625b92c..252c4fd
--- a/drivers/mmc/core/sdio_io.c
+++ b/drivers/mmc/core/sdio_io.c
@@ -76,11 +76,8 @@ int sdio_enable_func(struct sdio_func *func)
 	if (ret)
 		goto err;
 
-	/*
-	 * FIXME: This should timeout based on information in the CIS,
-	 * but we don't have card to parse that yet.
-	 */
-	timeout = jiffies + HZ;
+	/* max enable timeout is in units of 10mS */
+	timeout = jiffies + msecs_to_jiffies(func->enable_timeout * 10);
 
 	while (1) {
 		ret = mmc_io_rw_direct(func->card, 0, 0, SDIO_CCCR_IORx, 0, &reg);
diff --git a/include/linux/mmc/sdio_func.h b/include/linux/mmc/sdio_func.h
old mode 100644
new mode 100755
index b050f4d..8de40f1
--- a/include/linux/mmc/sdio_func.h
+++ b/include/linux/mmc/sdio_func.h
@@ -46,6 +46,7 @@ struct sdio_func {
 	unsigned		max_blksize;	/* maximum block size */
 	unsigned		cur_blksize;	/* current block size */
 
+	unsigned		enable_timeout;	/* max enable timeout in units of 10mS steps */
 	unsigned int		state;		/* function state */
 #define SDIO_STATE_PRESENT	(1<<0)		/* present in sysfs */
 
-- 
1.5.4.1

---------------------------------------------------------------------
Intel Israel (74) Limited

This e-mail and any attachments may contain confidential material for
the sole use of the intended recipient(s). Any review or distribution
by others is strictly prohibited. If you are not the intended
recipient, please contact the sender and delete all copies.

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/