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authorMike Isely <isely@pobox.com>2008-02-10 20:23:28 -0600
committerGreg Kroah-Hartman <gregkh@suse.de>2008-04-24 21:16:37 -0700
commit6768306c3d9568bc66dc22f8b863bfbda3e7c4d2 (patch)
tree444aff0f1cd9c70139fe3cbed1e49a60f662332b /drivers/usb/serial/cypress_m8.c
parent3d6aa3206540e1e68bda9e8ea11ec71444f1ac71 (diff)
USB: cypress_m8: Get rid of pointless NULL check
Remove a NULL check in cypress_m8; the check is useless in this context because it is referenced earlier in the same code path thus the kernel would be oops'ed before reaching this point anyway. (And it's really pointless here anyway; if this pointer somehow is NULL the driver is going to have serious problems in many other places.) Signed-off-by: Mike Isely <isely@pobox.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'drivers/usb/serial/cypress_m8.c')
-rw-r--r--drivers/usb/serial/cypress_m8.c12
1 files changed, 5 insertions, 7 deletions
diff --git a/drivers/usb/serial/cypress_m8.c b/drivers/usb/serial/cypress_m8.c
index f0c5d2a7ab9..bdeda093695 100644
--- a/drivers/usb/serial/cypress_m8.c
+++ b/drivers/usb/serial/cypress_m8.c
@@ -1399,13 +1399,11 @@ static void cypress_read_int_callback(struct urb *urb)
spin_lock_irqsave(&priv->lock, flags);
/* check to see if status has changed */
- if (priv != NULL) {
- if (priv->current_status != priv->prev_status) {
- priv->diff_status |= priv->current_status ^
- priv->prev_status;
- wake_up_interruptible(&priv->delta_msr_wait);
- priv->prev_status = priv->current_status;
- }
+ if (priv->current_status != priv->prev_status) {
+ priv->diff_status |= priv->current_status ^
+ priv->prev_status;
+ wake_up_interruptible(&priv->delta_msr_wait);
+ priv->prev_status = priv->current_status;
}
spin_unlock_irqrestore(&priv->lock, flags);