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authorIngo Molnar <mingo@elte.hu>2008-07-18 22:50:34 +0200
committerIngo Molnar <mingo@elte.hu>2008-07-18 22:50:34 +0200
commita208f37a465e222218974ab20a31b42b7b4893b2 (patch)
tree77c6acdd4be32024330a14f2618b814126ce7a20 /arch/um/drivers/harddog_kern.c
parentx86: apic_ops for lguest (diff)
parentMerge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mfasheh/ocfs2 (diff)
downloadlinux-dev-a208f37a465e222218974ab20a31b42b7b4893b2.tar.xz
linux-dev-a208f37a465e222218974ab20a31b42b7b4893b2.zip
Merge branch 'linus' into x86/x2apic
Diffstat (limited to 'arch/um/drivers/harddog_kern.c')
-rw-r--r--arch/um/drivers/harddog_kern.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/arch/um/drivers/harddog_kern.c b/arch/um/drivers/harddog_kern.c
index a9ad4bd6d953..d332503fa1be 100644
--- a/arch/um/drivers/harddog_kern.c
+++ b/arch/um/drivers/harddog_kern.c
@@ -66,6 +66,7 @@ static int harddog_open(struct inode *inode, struct file *file)
int err = -EBUSY;
char *sock = NULL;
+ lock_kernel();
spin_lock(&lock);
if(timer_alive)
goto err;
@@ -82,9 +83,11 @@ static int harddog_open(struct inode *inode, struct file *file)
timer_alive = 1;
spin_unlock(&lock);
+ unlock_kernel();
return nonseekable_open(inode, file);
err:
spin_unlock(&lock);
+ unlock_kernel();
return err;
}