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authorOliver Neukum <oliver@neukum.org>2010-02-27 22:55:26 +0300
committerGreg Kroah-Hartman <gregkh@suse.de>2010-03-19 17:24:15 +0300
commitd855fe2e9c19edaa47baba0e7f95e17f7a24dba8 (patch)
treefc6ac6e1c0a74ff70f1fbf67cb6bb85a1453f694 /drivers/usb
parent922a5eadd5a3aa0b806be0c18694b618d41d0784 (diff)
downloadlinux-d855fe2e9c19edaa47baba0e7f95e17f7a24dba8.tar.xz
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>
Diffstat (limited to 'drivers/usb')
-rw-r--r--drivers/usb/class/cdc-wdm.c5
1 files changed, 0 insertions, 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 @@ retry:
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 @@ retry:
err:
mutex_unlock(&desc->lock);
- if (rv < 0 && rv != -EAGAIN)
- dev_err(&desc->intf->dev, "wdm_read: exit error\n");
return rv;
}