Commit 459ca8b4 authored by Dan Carpenter's avatar Dan Carpenter Committed by Linus Torvalds

drivers/char/rio/rioctrl.c: off by one error in rioctrl.c

If DownLoad.ProductCode == MAX_PRODUCT, that would be a problem when we do
RIOBootTable[DownLoad.ProductCode] a couple lines down.

Found by smatch (http://repo.or.cz/w/smatch.git).
Signed-off-by: default avatarDan Carpenter <error27@gmail.com>
Cc: Jiri Slaby <jirislaby@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent ae21cf92
...@@ -873,7 +873,7 @@ int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su ...@@ -873,7 +873,7 @@ int riocontrol(struct rio_info *p, dev_t dev, int cmd, unsigned long arg, int su
/* /*
** It is important that the product code is an unsigned object! ** It is important that the product code is an unsigned object!
*/ */
if (DownLoad.ProductCode > MAX_PRODUCT) { if (DownLoad.ProductCode >= MAX_PRODUCT) {
rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode); rio_dprintk(RIO_DEBUG_CTRL, "RIO_DOWNLOAD: Bad product code %d passed\n", DownLoad.ProductCode);
p->RIOError.Error = NO_SUCH_PRODUCT; p->RIOError.Error = NO_SUCH_PRODUCT;
return -ENXIO; return -ENXIO;
......
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