>From 8b767ad2d8acc1ad8ab2c8a3a6205d05fae0eaa4 Mon Sep 17 00:00:00 2001
From: Oliver Neukum <oliver@xxxxxxxxxx>
Date: Mon, 30 Apr 2012 09:57:31 +0200
Subject: [PATCH] cdc-wdm: cleanup error codes
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
The internal error codes returned in the write() code
path cannot be simply passed on to user space.
Signed-off-by: Oliver Neukum <oneukum@xxxxxxx>
Tested-by: Bjørn Mork <bjorn@xxxxxxx>
---
drivers/usb/class/cdc-wdm.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 6bf1a40..5ce957e 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -369,6 +369,7 @@ static ssize_t wdm_write
r = usb_autopm_get_interface(desc->intf);
if (r < 0) {
kfree(buf);
+ rv = usb_translate_errors(r);
goto outnp;
}
@@ -384,6 +385,7 @@ static ssize_t wdm_write
if (r < 0) {
kfree(buf);
+ rv = r;
goto out;
}
@@ -415,6 +417,7 @@ static ssize_t wdm_write
desc->outbuf = NULL;
clear_bit(WDM_IN_USE, &desc->flags);
dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
+ rv = usb_translate_errors(rv);
} else {
dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
req->wIndex);
@@ -596,6 +599,7 @@ static int wdm_open(struct inode *inode, struct file *file)
desc->count--;
dev_err(&desc->intf->dev,
"Error submitting int urb - %d\n", rv);
+ rv = usb_translate_errors(rv);
}
} else {
rv = 0;
--
1.7.1
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