From d855fe2e9c19edaa47baba0e7f95e17f7a24dba8 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@neukum.org>
Date: Sat, 27 Feb 2010 20:55:26 +0100
Subject: [PATCH] usb: cdc-wdm: Fix race between disconnect and debug messages
dev_dbg() and dev_err() cannot be used to report failures
that may have been caused by a device's removal
Signed-off-by: Oliver Neukum <neukum@b1-systems.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---
drivers/usb/class/cdc-wdm.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 940b17af162c..72e2eb030459 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -435,11 +435,8 @@ static ssize_t wdm_read
spin_lock_irq(&desc->iuspin);
if (desc->rerr) { /* read completed, error happened */
- int t = desc->rerr;
desc->rerr = 0;
spin_unlock_irq(&desc->iuspin);
- dev_err(&desc->intf->dev,
- "reading had resulted in %d\n", t);
rv = -EIO;
goto err;
}
@@ -477,8 +474,6 @@ static ssize_t wdm_read
err:
mutex_unlock(&desc->lock);
- if (rv < 0 && rv != -EAGAIN)
- dev_err(&desc->intf->dev, "wdm_read: exit error\n");
return rv;
}
--
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