From: David S. Miller <davem@sunset.davemloft.net>
Date: Wed, 9 Nov 2005 20:05:37 +0000 (-0800)
Subject: [SPARC]: Fix locking thinkos in display7seg and cpwatchdog drivers.
X-Git-Tag: firefly_0821_release~40186
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=feee207e44d3643d19e648af3c88946bd1c5106b;p=firefly-linux-kernel-4.4.55.git

[SPARC]: Fix locking thinkos in display7seg and cpwatchdog drivers.

Noticed by Eric Brower.

Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/drivers/sbus/char/cpwatchdog.c b/drivers/sbus/char/cpwatchdog.c
index 071ae24be892..fd2cc7782f76 100644
--- a/drivers/sbus/char/cpwatchdog.c
+++ b/drivers/sbus/char/cpwatchdog.c
@@ -407,7 +407,7 @@ static long wd_compat_ioctl(struct file *file, unsigned int cmd,
 	case WIOCGSTAT:
 		lock_kernel();
 		rval = wd_ioctl(file->f_dentry->d_inode, file, cmd, arg);
-		lock_kernel();
+		unlock_kernel();
 		break;
 	/* everything else is handled by the generic compat layer */
 	default:
diff --git a/drivers/sbus/char/display7seg.c b/drivers/sbus/char/display7seg.c
index 39f54213a6d5..2c86a4b809cd 100644
--- a/drivers/sbus/char/display7seg.c
+++ b/drivers/sbus/char/display7seg.c
@@ -161,7 +161,7 @@ static long d7s_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
 		writeb(regs, d7s_regs);
 		break;
 	};
-	lock_kernel();
+	unlock_kernel();
 
 	return error;
 }