[PATCH] Array overrun in drivers/net/wireless/wavelan.c

hi,

this is another array overrun spotted by coverity (#id 507)
we should check the index against array size before using it.
Not sure why the driver doesnt use ARRAY_SIZE instead of its
own macro.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index dade4b903579..b327b640823b 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -1695,8 +1695,8 @@ static int wv_frequency_list(unsigned long ioaddr,	/* I/O port of the card */
                 /* Look in the table if the frequency is allowed */
                 if (table[9 - (freq / 16)] & (1 << (freq % 16))) {
                         /* Compute approximate channel number */
-                        while ((((channel_bands[c] >> 1) - 24) < freq) &&
-                               (c < NELS(channel_bands)))
+                        while ((c < NELS(channel_bands)) &&
+                                (((channel_bands[c] >> 1) - 24) < freq)) 
                                 c++;
                         list[i].i = c;  /* Set the list index */