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| author | Oliver Neukum <oliver@neukum.org> | 2012-04-30 09:57:31 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-04-30 09:58:56 -0400 |
| commit | 12a98b2bd8050b3cf28b50da612c484cdf174368 (patch) | |
| tree | b43abd0b435a3f08d329a853aa5741f300a9de89 /drivers/usb/class | |
| parent | 880bca3a2a6f159d7453e0cbcbfe2f1d8204d907 (diff) | |
| download | linux-12a98b2bd8050b3cf28b50da612c484cdf174368.tar.gz linux-12a98b2bd8050b3cf28b50da612c484cdf174368.tar.bz2 linux-12a98b2bd8050b3cf28b50da612c484cdf174368.zip | |
USB: cdc-wdm: cleanup error codes
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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.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 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; |