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>
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@ -368,6 +368,7 @@ static ssize_t wdm_write
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r = usb_autopm_get_interface(desc->intf);
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if (r < 0) {
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kfree(buf);
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rv = usb_translate_errors(r);
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goto outnp;
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}
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@ -383,6 +384,7 @@ static ssize_t wdm_write
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if (r < 0) {
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kfree(buf);
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rv = r;
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goto out;
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}
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@ -412,6 +414,7 @@ static ssize_t wdm_write
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kfree(buf);
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clear_bit(WDM_IN_USE, &desc->flags);
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dev_err(&desc->intf->dev, "Tx URB error: %d\n", rv);
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rv = usb_translate_errors(rv);
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} else {
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dev_dbg(&desc->intf->dev, "Tx URB has been submitted index=%d",
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req->wIndex);
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@ -593,6 +596,7 @@ static int wdm_open(struct inode *inode, struct file *file)
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desc->count--;
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dev_err(&desc->intf->dev,
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"Error submitting int urb - %d\n", rv);
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rv = usb_translate_errors(rv);
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}
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} else {
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rv = 0;
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