Patch "rapidio/tsi721: fix incorrect detection of address translation condition" has been added to the 4.7-stable tree
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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 <[email protected]> know about it.
Quoted 1 line
From
b30069291dc7f9b9a073c33d619818fe4a8e50deMon Sep 17 00:00:00 2001
From: Alexandre Bounine <[email protected]>
Date: Thu, 1 Sep 2016 16:15:18 -0700
Subject: rapidio/tsi721: fix incorrect detection of address translation condition
From: Alexandre Bounine <[email protected]>
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.
--- drivers/rapidio/devices/tsi721.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
drivers/rapidio/devices/tsi721.c +1 -1
@@ -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 [email protected] are
queue-4.7/rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch