Staging: octeon: don't ignore request_irq() return code

Signed-off-by: Roel Kluin <roel.kluin@gmail.com>
Acked-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/octeon/ethernet-rgmii.c b/drivers/staging/octeon/ethernet-rgmii.c
index 8704133..fbaa465 100644 (file)
--- a/drivers/staging/octeon/ethernet-rgmii.c
+++ b/drivers/staging/octeon/ethernet-rgmii.c
@@ -308,7 +308,7 @@ int cvm_oct_rgmii_init(struct net_device *dev)
 
        /*
         * Due to GMX errata in CN3XXX series chips, it is necessary
-        * to take the link down immediately whne the PHY changes
+        * to take the link down immediately when the PHY changes
         * state. In order to do this we call the poll function every
         * time the RGMII inband status changes.  This may cause
         * problems if the PHY doesn't implement inband status
@@ -317,6 +317,8 @@ int cvm_oct_rgmii_init(struct net_device *dev)
        if (number_rgmii_ports == 0) {
                r = request_irq(OCTEON_IRQ_RML, cvm_oct_rgmii_rml_interrupt,
                                IRQF_SHARED, "RGMII", &number_rgmii_ports);
+               if (r != 0)
+                       return r;
        }
        number_rgmii_ports++;