The patch titled Subject: rapidio/tsi721: fix incorrect detection of address translation condition has been added to the -mm tree. Its filename is rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch This patch should soon appear at http://ozlabs.org/~akpm/mmots/broken-out/rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch and later at http://ozlabs.org/~akpm/mmotm/broken-out/rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch Before you just go and hit "reply", please: a) Consider who else should be cc'ed b) Prefer to cc a suitable mailing list as well c) Ideally: find the original patch on the mailing list and do a reply-to-all to that, adding suitable additional cc's *** Remember to use Documentation/SubmitChecklist when testing your code *** The -mm tree is included into linux-next and is updated there every 3-4 working days ------------------------------------------------------ From: Alexandre Bounine <alexandre.bounine@xxxxxxx> Subject: rapidio/tsi721: fix incorrect detection of address translation condition 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> Cc: <stable@xxxxxxxxxxxxxxx> [4.6+] Signed-off-by: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx> --- drivers/rapidio/devices/tsi721.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff -puN drivers/rapidio/devices/tsi721.c~rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition drivers/rapidio/devices/tsi721.c --- a/drivers/rapidio/devices/tsi721.c~rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition +++ a/drivers/rapidio/devices/tsi721.c @@ -1161,7 +1161,7 @@ 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 -mm which might be from alexandre.bounine@xxxxxxx are rapidio-documentation-mport_cdev-add-missing-parameter-description.patch rapidio-tsi721-fix-incorrect-detection-of-address-translation-condition.patch rapidio-rio_cm-use-memdup_user-instead-of-duplicating-code.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