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path: root/drivers/net/tokenring/ibmtr.c
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Diffstat (limited to 'drivers/net/tokenring/ibmtr.c')
-rw-r--r--drivers/net/tokenring/ibmtr.c11
1 files changed, 9 insertions, 2 deletions
diff --git a/drivers/net/tokenring/ibmtr.c b/drivers/net/tokenring/ibmtr.c
index 36cb2423bcf..75fa32e34fd 100644
--- a/drivers/net/tokenring/ibmtr.c
+++ b/drivers/net/tokenring/ibmtr.c
@@ -1144,9 +1144,16 @@ static void dir_open_adapter (struct net_device *dev)
} else {
char **prphase = printphase;
char **prerror = printerror;
+ int pnr = err / 16 - 1;
+ int enr = err % 16 - 1;
DPRINTK("TR Adapter misc open failure, error code = ");
- printk("0x%x, Phase: %s, Error: %s\n",
- err, prphase[err/16 -1], prerror[err%16 -1]);
+ if (pnr < 0 || pnr >= ARRAY_SIZE(printphase) ||
+ enr < 0 ||
+ enr >= ARRAY_SIZE(printerror))
+ printk("0x%x, invalid Phase/Error.", err);
+ else
+ printk("0x%x, Phase: %s, Error: %s\n", err,
+ prphase[pnr], prerror[enr]);
printk(" retrying after %ds delay...\n",
TR_RETRY_INTERVAL/HZ);
}