[PATCH] handle errors returned by platform_get_irq*()

platform_get_irq*() now returns on -ENXIO when the resource cannot be
found.  Ensure all users of platform_get_irq*() handle this error
appropriately.

Signed-off-by: David Vrabel <dvrabel@arcom.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

3 files changed, 6 insertions, 0 deletions

diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c
index e67b1d06611c..95e2bb8dd7b4 100644
--- a/drivers/net/fs_enet/mac-fcc.c
+++ b/drivers/net/fs_enet/mac-fcc.c
@@ -118,6 +118,8 @@ static int do_pd_setup(struct fs_enet_private *fep)
 
         /* Fill out IRQ field */
         fep->interrupt = platform_get_irq(pdev, 0);
+        if (fep->interrupt < 0)
+                return -EINVAL;
 
         /* Attach the memory for the FCC Parameter RAM */
         r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "fcc_pram");
diff --git a/drivers/net/fs_enet/mac-fec.c b/drivers/net/fs_enet/mac-fec.c
index 2e8f44469699..3dad69dfdb2c 100644
--- a/drivers/net/fs_enet/mac-fec.c
+++ b/drivers/net/fs_enet/mac-fec.c
@@ -144,6 +144,8 @@ static int do_pd_setup(struct fs_enet_private *fep)
         
         /* Fill out IRQ field */
         fep->interrupt = platform_get_irq_byname(pdev,"interrupt");
+        if (fep->interrupt < 0)
+                return -EINVAL;
         
         r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
         fep->fec.fecp =(void*)r->start;
diff --git a/drivers/net/fs_enet/mac-scc.c b/drivers/net/fs_enet/mac-scc.c
index a3897fda71fa..a772b286f96d 100644
--- a/drivers/net/fs_enet/mac-scc.c
+++ b/drivers/net/fs_enet/mac-scc.c
@@ -118,6 +118,8 @@ static int do_pd_setup(struct fs_enet_private *fep)
 
         /* Fill out IRQ field */
         fep->interrupt = platform_get_irq_byname(pdev, "interrupt");
+        if (fep->interrupt < 0)
+                return -EINVAL;
 
         r = platform_get_resource_byname(pdev, IORESOURCE_MEM, "regs");
         fep->scc.sccp = (void *)r->start;