Blackfin: SIC: fix off-by-one error in loop

Make sure we include EMAC_SYSTAT when showing errors.

Signed-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>

1 files changed, 4 insertions, 3 deletions

diff --git a/arch/blackfin/mach-common/ints-priority.c b/arch/blackfin/mach-common/ints-priority.c
index eaece5f84e4..0df4fb57f5b 100644
--- a/arch/blackfin/mach-common/ints-priority.c
+++ b/arch/blackfin/mach-common/ints-priority.c
@@ -511,7 +511,7 @@ static void bfin_demux_mac_status_irq(unsigned int int_err_irq,
         int i, irq = 0;
         u32 status = bfin_read_EMAC_SYSTAT();
 
-        for (i = 0; i < (IRQ_MAC_STMDONE - IRQ_MAC_PHYINT); i++)
+        for (i = 0; i <= (IRQ_MAC_STMDONE - IRQ_MAC_PHYINT); i++)
                 if (status & (1L << i)) {
                         irq = IRQ_MAC_PHYINT + i;
                         break;
@@ -529,8 +529,9 @@ static void bfin_demux_mac_status_irq(unsigned int int_err_irq,
         } else
                 printk(KERN_ERR
                        "%s : %s : LINE %d :\nIRQ ?: MAC ERROR"
-                       " INTERRUPT ASSERTED BUT NO SOURCE FOUND\n",
-                       __func__, __FILE__, __LINE__);
+                       " INTERRUPT ASSERTED BUT NO SOURCE FOUND"
+                       "(EMAC_SYSTAT=0x%X)\n",
+                       __func__, __FILE__, __LINE__, status);
 }
 #endif