linux-kernel - [PATCH] zr36120: implement pcipci checks

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [day] [month] [year] [list]

Message-Id: <1158238540.21860.34.camel@localhost.localdomain>
Date:	Thu, 14 Sep 2006 13:55:40 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	mchehab@...radead.org, linux-kernel@...r.kernel.org
Subject: [PATCH] zr36120: implement pcipci checks

Again depends on the PCIAGP_FAIL patch for a define. Someone with more
card knowledge should look at the ALIMAGIK case and whether latency can
be safely to set to 0xA or so.

Signed-off-by: Alan Cox <alan@...hat.com>

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.18-rc6-mm1/drivers/media/video/zr36120.c linux-2.6.18-rc6-mm1/drivers/media/video/zr36120.c
--- linux.vanilla-2.6.18-rc6-mm1/drivers/media/video/zr36120.c	2006-09-11 11:02:17.000000000 +0100
+++ linux-2.6.18-rc6-mm1/drivers/media/video/zr36120.c	2006-09-13 12:04:33.000000000 +0100
@@ -987,6 +987,8 @@
 			 VID_TYPE_SCALES;
 		if (ztv->have_tuner)
 			c.type |= VID_TYPE_TUNER;
+		if (pci_problems & (PCIPCI_FAIL|PCIAGP_FAIL))
+			c.type &= ~VID_TYPE_OVERLAY;
 		if (ztv->have_decoder) {
 			c.channels = ztv->card->video_inputs;
 			c.audios = ztv->card->audio_inputs;
@@ -1284,6 +1286,8 @@
 		struct video_buffer v;
 		if(!capable(CAP_SYS_ADMIN))
 			return -EPERM;
+		if (pcipci_problems & (PCIPCI_FAIL|PCIAGP_FAIL))
+			return -ENXIO;
 		if (copy_from_user(&v, arg,sizeof(v)))
 			return -EFAULT;
 		DEBUG(printk(CARD_DEBUG "VIDIOCSFBUF(%p,%d,%d,%d,%d)\n",CARD,v.base, v.width,v.height,v.depth,v.bytesperline));

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/