diff options
| author | Joe Perches <joe@perches.com> | 2015-05-05 10:06:04 -0700 |
|---|---|---|
| committer | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2015-09-23 08:44:26 +0200 |
| commit | 4e299b922c44d242ac855805aee94d938b06944f (patch) | |
| tree | b6fa4be27ee7cc8dff33e3d9bd243d8381896eb6 /drivers/net/arcnet | |
| parent | 26c6d281688e8bb8154fa78c60e551d024f5d0b8 (diff) | |
arcnet: Make a char * array const char * const
Might as well be specific about the use of this array.
Add a commment questioning the indexing too.
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Diffstat (limited to 'drivers/net/arcnet')
| -rw-r--r-- | drivers/net/arcnet/com20020.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/net/arcnet/com20020.c b/drivers/net/arcnet/com20020.c index f46e22093c54..ddd64bb87b58 100644 --- a/drivers/net/arcnet/com20020.c +++ b/drivers/net/arcnet/com20020.c @@ -42,10 +42,10 @@ #include "arcdevice.h" #include "com20020.h" -static char *clockrates[] = { - "XXXXXXX", "XXXXXXXX", "XXXXXX", - "2.5 Mb/s", "1.25Mb/s", "625 Kb/s", "312.5 Kb/s", - "156.25 Kb/s", "Reserved", "Reserved", "Reserved" +static const char * const clockrates[] = { + "XXXXXXX", "XXXXXXXX", "XXXXXX", "2.5 Mb/s", + "1.25Mb/s", "625 Kb/s", "312.5 Kb/s", "156.25 Kb/s", + "Reserved", "Reserved", "Reserved" }; static void com20020_command(struct net_device *dev, int command); @@ -234,7 +234,12 @@ int com20020_found(struct net_device *dev, int shared) arc_printk(D_NORMAL, dev, "Using CKP %d - data rate %s\n", lp->setup >> 1, - clockrates[3 - ((lp->setup2 & 0xF0) >> 4) + ((lp->setup & 0x0F) >> 1)]); + clockrates[3 - + ((lp->setup2 & 0xF0) >> 4) + + ((lp->setup & 0x0F) >> 1)]); + /* The clockrates array index looks very fragile. + * It seems like it could have negative indexing. + */ if (register_netdev(dev)) { free_irq(dev->irq, dev); |