linux-kernel - [PATCH] isicom: istallion prepare for lock

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]

Date:	Wed, 20 Feb 2008 20:16:57 +0000
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	akpm@...l.org, linux-kernel@...r.kernel.org
Subject: [PATCH] isicom: istallion prepare for lock_kernel pushdown

This is an ancient driver so just wrap it in lock_kernel internally and
be done.

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

diff -u --new-file --recursive --exclude-from /usr/src/exclude linux.vanilla-2.6.25-rc2-mm1/drivers/char/istallion.c linux-2.6.25-rc2-mm1/drivers/char/istallion.c
--- linux.vanilla-2.6.25-rc2-mm1/drivers/char/istallion.c	2008-02-19 11:03:00.000000000 +0000
+++ linux-2.6.25-rc2-mm1/drivers/char/istallion.c	2008-02-20 11:45:50.000000000 +0000
@@ -4433,6 +4433,8 @@
 	done = 0;
 	rc = 0;
 
+	lock_kernel();
+	
 	switch (cmd) {
 	case COM_GETPORTSTATS:
 		rc = stli_getportstats(NULL, argp);
@@ -4455,7 +4457,8 @@
 		done++;
 		break;
 	}
-
+	unlock_kernel();
+	
 	if (done)
 		return rc;
 
@@ -4472,6 +4475,8 @@
 	if (brdp->state == 0)
 		return -ENODEV;
 
+	lock_kernel();
+	
 	switch (cmd) {
 	case STL_BINTR:
 		EBRDINTR(brdp);
@@ -4494,6 +4499,7 @@
 		rc = -ENOIOCTLCMD;
 		break;
 	}
+	unlock_kernel();
 	return rc;
 }
 
--
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/