[SCSI] eata: fix buffer overflow

Allows i == MAX_INT_PARAM, which is out of range.
Signed-off-by: NRoel Kluin <roel.kluin@gmail.com>
Signed-off-by: NAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: NJames Bottomley <James.Bottomley@suse.de>

drivers/scsi/eata.c

@@ -1509,7 +1509,7 @@ static int option_setup(char *str)
 	char *cur = str;
 	int i = 1;
 
-	while (cur && isdigit(*cur) && i <= MAX_INT_PARAM) {
+	while (cur && isdigit(*cur) && i < MAX_INT_PARAM) {
 		ints[i++] = simple_strtoul(cur, NULL, 0);
 
 		if ((cur = strchr(cur, ',')) != NULL)