[PATCH] Overrun in cdrom/aztcd.c

This fixes coverity bug id #473.  After the for loop i==16 if we didn't find a
cdrom.  So we should check for i==16 first before checking the array element.

Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de>
Cc: Jens Axboe <axboe@suse.de>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>

diff --git a/drivers/cdrom/aztcd.c b/drivers/cdrom/aztcd.c
index ce4a1ce..ec00489 100644 (file)
--- a/drivers/cdrom/aztcd.c
+++ b/drivers/cdrom/aztcd.c
@@ -1763,7 +1763,7 @@ static int __init aztcd_init(void)
                                release_region(azt_port, 4);
                        }
                }
-               if ((azt_port_auto[i] == 0) || (i == 16)) {
+               if ((i == 16) || (azt_port_auto[i] == 0)) {
                        printk(KERN_INFO "aztcd: no AZTECH CD-ROM drive found\n");
                        return -EIO;
                }