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authorOliver Neukum <oliver@neukum.org>2012-04-30 11:57:31 +0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2012-04-30 17:58:56 +0400
commit12a98b2bd8050b3cf28b50da612c484cdf174368 (patch)
treeb43abd0b435a3f08d329a853aa5741f300a9de89 /drivers/usb/class
parent880bca3a2a6f159d7453e0cbcbfe2f1d8204d907 (diff)
downloadlinux-12a98b2bd8050b3cf28b50da612c484cdf174368.tar.xz
USB: 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@suse.de> Tested-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/class')
-rw-r--r--drivers/usb/class/cdc-wdm.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index 4e8451ca2d6c..cd017a914c5d 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -368,6 +368,7 @@ static ssize_t wdm_write
r = usb_autopm_get_interface(desc->intf);
if (r < 0) {
kfree(buf);
+ rv = usb_translate_errors(r);
goto outnp;
}
@@ -383,6 +384,7 @@ static ssize_t wdm_write
if (r < 0) {
kfree(buf);
+ rv = r;
goto out;
}
@@ -412,6 +414,7 @@ static ssize_t wdm_write
kfree(buf);
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);
@@ -593,6 +596,7 @@ 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;