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From: Andrey Smirnov <andrew.smirnov@gmail.com>
To: barebox@lists.infradead.org
Cc: Andrey Smirnov <andrew.smirnov@gmail.com>
Subject: [PATCH 2/3] usb: storage: Default to a single LUN
Date: Wed, 22 May 2019 00:33:48 -0700	[thread overview]
Message-ID: <20190522073349.9004-2-andrew.smirnov@gmail.com> (raw)
In-Reply-To: <20190522073349.9004-1-andrew.smirnov@gmail.com>

For loop below is:

	for (lun=0; lun<=us->max_lun; lun++)
	    ...

so we need to set max_lun to 0 in order to default to having only one
LUN. Otherwise, we end up assuming the device has 2 valid LUNs.

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 drivers/usb/storage/usb.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/usb/storage/usb.c b/drivers/usb/storage/usb.c
index fda24d616..79561ee6f 100644
--- a/drivers/usb/storage/usb.c
+++ b/drivers/usb/storage/usb.c
@@ -439,7 +439,7 @@ static int usb_stor_scan(struct usb_device *usbdev, struct us_data *us)
 	int num_devs = 0;
 
 	/* obtain the max LUN */
-	us->max_lun = 1;
+	us->max_lun = 0;
 	if (us->protocol == US_PR_BULK)
 		us->max_lun = usb_stor_Bulk_max_lun(us);
 
-- 
2.21.0


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  reply	other threads:[~2019-05-22  7:34 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-05-22  7:33 [PATCH 1/3] usb: storage: Zero CDB out before sending it Andrey Smirnov
2019-05-22  7:33 ` Andrey Smirnov [this message]
2019-05-22  7:33 ` [PATCH 3/3] usb: storage: Fix TEST_UNIT_READY command size Andrey Smirnov
2019-05-23  7:11 ` [PATCH 1/3] usb: storage: Zero CDB out before sending it Sascha Hauer

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