This is a note to let you know that I've just added the patch titled
rapidio/tsi721: fix incorrect detection of address translation condition
to the 4.7-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch
and it can be found in the queue-4.7 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
>From b30069291dc7f9b9a073c33d619818fe4a8e50de Mon Sep 17 00:00:00 2001
From: Alexandre Bounine <alexandre.bounine@xxxxxxx>
Date: Thu, 1 Sep 2016 16:15:18 -0700
Subject: rapidio/tsi721: fix incorrect detection of address translation condition
From: Alexandre Bounine <alexandre.bounine@xxxxxxx>
commit b30069291dc7f9b9a073c33d619818fe4a8e50de upstream.
Fix incorrect condition to identify involvment of a address translation
mechanism.
This bug results in NULL pointer kernel crash dump in cases when mapping
of inbound RapidIO address range is requested within existing aprture.
Link: http://lkml.kernel.org/r/20160901173144.2983-1-alexandre.bounine@xxxxxxx
Signed-off-by: Alexandre Bounine <alexandre.bounine@xxxxxxx>
Cc: Matt Porter <mporter@xxxxxxxxxxxxxxxxxxx>
Cc: Andre van Herk <andre.van.herk@xxxxxxxxxxxxxxxxxxxxxxxxx>
Cc: Barry Wood <barry.wood@xxxxxxx>
Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
drivers/rapidio/devices/tsi721.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/rapidio/devices/tsi721.c
+++ b/drivers/rapidio/devices/tsi721.c
@@ -1148,7 +1148,7 @@ static int tsi721_rio_map_inb_mem(struct
} else if (ibw_start < (ib_win->rstart + ib_win->size) &&
(ibw_start + ibw_size) > ib_win->rstart) {
/* Return error if address translation involved */
- if (direct && ib_win->xlat) {
+ if (!direct || ib_win->xlat) {
ret = -EFAULT;
break;
}
Patches currently in stable-queue which might be from alexandre.bounine@xxxxxxx are
queue-4.7/rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch
--
To unsubscribe from this list: send the line "unsubscribe stable" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html